Primary Resources: Maths: Calculations: Addition and Subtraction

Basic Addition & Subtraction: Mastering the Fundamentals

Basic Addition & Subtraction:

Delve into the foundational concepts of addition and subtraction, explore number bonds and facts, tackle missing numbers, and practice with 50 carefully curated questions suitable for all grade levels.

Basic Addition & Subtraction

Addition and subtraction are the two fundamental operations in arithmetic. They are the building blocks for more complex mathematical concepts and are essential for everyday problem-solving.

Addition

Addition is the process of combining two or more numbers to find their total. The numbers being added are called addends, and the result is known as the sum.

Example 1: Basic Addition

Calculate the sum of 7 and 5:

\[ 7 + 5 = 12 \]

In this example, 7 and 5 are the addends, and 12 is the sum.

Subtraction

Subtraction is the process of finding the difference between two numbers. It involves taking one number away from another. The number from which another number is subtracted is called the minuend, the number being subtracted is the subtrahend, and the result is the difference.

Example 2: Basic Subtraction

Calculate the difference between 15 and 8:

\[ 15 - 8 = 7 \]

Here, 15 is the minuend, 8 is the subtrahend, and 7 is the difference.

Number Bonds & Facts

Number bonds are a visual representation of the relationship between numbers. They show how numbers can be split into parts or combined to form larger numbers. Understanding number bonds is crucial for mastering addition and subtraction.

Number Bonds to 5

Number bonds to 5 help students understand how numbers can be combined or separated to make 5.

Example 3: Number Bonds to 5

\[ 2 + 3 = 5 \\ 1 + 4 = 5 \\ 0 + 5 = 5 \]

These bonds show the different ways to make 5 by adding two numbers.

Number Bonds to 10

Extending number bonds to 10 allows for a deeper understanding of addition and subtraction, preparing students for more complex arithmetic.

Example 4: Number Bonds to 10

\[ 6 + 4 = 10 \\ 7 + 3 = 10 \\ 2 + 8 = 10 \]

These bonds demonstrate the various combinations to reach 10.

Number Bonds to 20

Number bonds to 20 further enhance students' numerical fluency, aiding in quick mental calculations and problem-solving.

Example 5: Number Bonds to 20

\[ 12 + 8 = 20 \\ 15 + 5 = 20 \\ 10 + 10 = 20 \]

These bonds show how to make 20 using different pairs of numbers.

Number Bonds Facts

Mastering number bonds is essential for developing strong addition and subtraction facts, enabling students to perform calculations more efficiently.

Example 6: Mastering Number Bonds

Knowing that: \[ 4 + 6 = 10 \quad \text{and} \quad 10 - 6 = 4 \]

helps in both addition and subtraction, reinforcing the inverse relationship between these operations.

Missing Numbers

Missing numbers problems are a great way to enhance logical thinking and understanding of numerical relationships. These problems require students to determine the unknown number in an equation.

Missing Number in Addition

Example 7: Missing Number in Addition

Find the missing number in the equation:

\[ 7 + \_ = 12 \]

Solution:

\[ \_ = 12 - 7 = 5 \]

So, the missing number is 5.

Missing Number in Subtraction

Example 8: Missing Number in Subtraction

Find the missing number in the equation:

\[ 15 - \_ = 9 \]

Solution:

\[ \_ = 15 - 9 = 6 \]

So, the missing number is 6.

Missing Number in Equations

Example 9: Missing Number in Equations

Find the missing number in the equation:

\[ \_ + 8 = 14 \]

Solution:

\[ \_ = 14 - 8 = 6 \]

So, the missing number is 6.

Practice Questions

Enhance your understanding of basic addition and subtraction by practicing the following 50 questions. Each question is accompanied by a detailed solution to aid your learning.

Grade 1

Question 1: What is $3 + 2$?

Solution:

\[ 3 + 2 = 5 \]

Question 2: Subtract 1 from 4.

Solution:

\[ 4 - 1 = 3 \]

Question 3: What number is missing: $2 + \_ = 5$?

Solution:

\[ \_ = 5 - 2 = 3 \]

Question 4: What is $5 - 3$?

Solution:

\[ 5 - 3 = 2 \]

Question 5: Add $4 + 1$.

Solution:

\[ 4 + 1 = 5 \]

Grade 2

Question 6: What is $7 + 5$?

Solution:

\[ 7 + 5 = 12 \]

Question 7: Subtract 6 from 14.

Solution:

\[ 14 - 6 = 8 \]

Question 8: What number is missing: $9 + \_ = 15$?

Solution:

\[ \_ = 15 - 9 = 6 \]

Question 9: What is $12 - 7$?

Solution:

\[ 12 - 7 = 5 \]

Question 10: Add $8 + 6$.

Solution:

\[ 8 + 6 = 14 \]

Grade 3

Question 11: What is $15 + 9$?

Solution:

\[ 15 + 9 = 24 \]

Question 12: Subtract 13 from 25.

Solution:

\[ 25 - 13 = 12 \]

Question 13: What number is missing: $18 + \_ = 30$?

Solution:

\[ \_ = 30 - 18 = 12 \]

Question 14: What is $22 - 14$?

Solution:

\[ 22 - 14 = 8 \]

Question 15: Add $19 + 7$.

Solution:

\[ 19 + 7 = 26 \]

Grade 4

Question 16: What is $27 + 14$?

Solution:

\[ 27 + 14 = 41 \]

Question 17: Subtract 19 from 34.

Solution:

\[ 34 - 19 = 15 \]

Question 18: What number is missing: $23 + \_ = 40$?

Solution:

\[ \_ = 40 - 23 = 17 \]

Question 19: What is $36 - 18$?

Solution:

\[ 36 - 18 = 18 \]

Question 20: Add $25 + 19$.

Solution:

\[ 25 + 19 = 44 \]

Grade 5

Question 21: What is $34 + 28$?

Solution:

\[ 34 + 28 = 62 \]

Question 22: Subtract 27 from 50.

Solution:

\[ 50 - 27 = 23 \]

Question 23: What number is missing: $45 + \_ = 60$?

Solution:

\[ \_ = 60 - 45 = 15 \]

Question 24: What is $52 - 29$?

Solution:

\[ 52 - 29 = 23 \]

Question 25: Add $38 + 47$.

Solution:

\[ 38 + 47 = 85 \]

Grade 6

Question 26: What is $58 + 67$?

Solution:

\[ 58 + 67 = 125 \]

Question 27: Subtract 34 from 89.

Solution:

\[ 89 - 34 = 55 \]

Question 28: What number is missing: $76 + \_ = 100$?

Solution:

\[ \_ = 100 - 76 = 24 \]

Question 29: What is $95 - 47$?

Solution:

\[ 95 - 47 = 48 \]

Question 30: Add $64 + 29$.

Solution:

\[ 64 + 29 = 93 \]

Grade 4-5

Question 31: What is $123 + 87$?

Solution:

\[ 123 + 87 = 210 \]

Question 32: Subtract 56 from 132.

Solution:

\[ 132 - 56 = 76 \]

Question 33: What number is missing: $150 + \_ = 200$?

Solution:

\[ \_ = 200 - 150 = 50 \]

Question 34: What is $180 - 99$?

Solution:

\[ 180 - 99 = 81 \]

Question 35: Add $210 + 190$.

Solution:

\[ 210 + 190 = 400 \]

Grade 6-7

Question 36: What is $345 + 678$?

Solution:

\[ 345 + 678 = 1023 \]

Question 37: Subtract 256 from 789.

Solution:

\[ 789 - 256 = 533 \]

Question 38: What number is missing: $500 + \_ = 750$?

Solution:

\[ \_ = 750 - 500 = 250 \]

Question 39: What is $620 - 315$?

Solution:

\[ 620 - 315 = 305 \]

Question 40: Add $455 + 345$.

Solution:

\[ 455 + 345 = 800 \]

Grade 7-8

Question 41: What is $1,234 + 2,345$?

Solution:

\[ 1,234 + 2,345 = 3,579 \]

Question 42: Subtract 1,567 from 3,000.

Solution:

\[ 3,000 - 1,567 = 1,433 \]

Question 43: What number is missing: $2,500 + \_ = 5,000$?

Solution:

\[ \_ = 5,000 - 2,500 = 2,500 \]

Question 44: What is $4,678 - 2,345$?

Solution:

\[ 4,678 - 2,345 = 2,333 \]

Question 45: Add $3,500 + 4,500$.

Solution:

\[ 3,500 + 4,500 = 8,000 \]

Mixed Grades

Question 46: What is $89 + 76$?

Solution:

\[ 89 + 76 = 165 \]

Question 47: Subtract 58 from 130.

Solution:

\[ 130 - 58 = 72 \]

Question 48: What number is missing: $67 + \_ = 100$?

Solution:

\[ \_ = 100 - 67 = 33 \]

Question 49: What is $150 - 75$?

Solution:

\[ 150 - 75 = 75 \]

Question 50: Add $200 + 300$.

Solution:

\[ 200 + 300 = 500 \]

Word Problems Involving Addition & Subtraction

Problem 1: Calculating Total Items

Sarah buys 8 packs of pencils. Each pack contains 12 pencils. How many pencils does Sarah have in total?

Solution:

To find the total number of pencils, multiply the number of packs by the number of pencils per pack:

\[ 8 \times 12 = 96 \]

Sarah has 96 pencils in total.

Problem 2: Sharing Equally

A teacher has 45 apples and wants to distribute them equally among 9 students. How many apples does each student receive?

Solution:

To determine how many apples each student gets, divide the total number of apples by the number of students:

\[ 45 \div 9 = 5 \]

Each student receives 5 apples.

Problem 3: Combined Operations

A factory produces 150 widgets each day. How many widgets are produced in a week (7 days)?

Solution:

Multiply the number of widgets produced each day by the number of days in a week:

\[ 150 \times 7 = 1050 \]

The factory produces 1,050 widgets in a week.

Problem 4: Fractional Division

If 64 candies are divided equally into 8 bags, how many candies are in each bag?

Solution:

Divide the total number of candies by the number of bags:

\[ 64 \div 8 = 8 \]

Each bag contains 8 candies.

Problem 5: Distributing Resources

There are 100 books to be placed on 5 shelves equally. How many books should be placed on each shelf?

Solution:

Divide the total number of books by the number of shelves:

\[ 100 \div 5 = 20 \]

Each shelf should have 20 books.

Problem 6: Grouping for Events

At a party, there are 48 balloons to be grouped into sets of 6. How many groups will there be?

Solution:

Divide the total number of balloons by the group size:

\[ 48 \div 6 = 8 \]

There will be 8 groups of balloons.

Problem 7: Calculating Perimeter

A rectangle has a length of 7 units and a width of 3 units. Calculate its perimeter using addition and multiplication.

Solution:

The perimeter \( P \) of a rectangle is calculated as:

\[ P = 2 \times (length + width) \]

Substituting the given values:

\[ P = 2 \times (7 + 3) = 2 \times 10 = 20 \text{ units} \]

The perimeter is 20 units.

Problem 8: Scaling Recipes

A recipe requires 3 cups of flour for 4 servings. How much flour is needed for 10 servings?

Solution:

First, find the amount of flour per serving:

\[ \frac{3 \text{ cups}}{4 \text{ servings}} = 0.75 \text{ cups per serving} \]

Then, multiply by the number of servings:

\[ 0.75 \times 10 = 7.5 \text{ cups} \]

7.5 cups of flour are needed for 10 servings.

Problem 9: Dividing Money

Linda has \$120 and wants to divide it equally among 8 friends. How much does each friend receive?

Solution:

Divide the total amount by the number of friends:

\[ 120 \div 8 = 15 \]

Each friend receives \$15.

Problem 10: Distributing Seats

A theater has 360 seats divided equally into 12 rows. How many seats are in each row?

Solution:

Divide the total number of seats by the number of rows:

\[ 360 \div 12 = 30 \]

Each row has 30 seats.

Basic Addition/Subtraction, Number Bonds & Facts:

  • Number Bonds to 5 (Becca) Smart Notebook (zipped) Easiteach
  • Vanishing Squares (Dot Hullah) ActivStudio
  • Number Bonds to 10 (Angie Gore) MS Powerpoint
  • Addition Bonds to 10 (Emma Holliday) Smart Notebook (zipped)
  • Simple Addition and Subtraction (Rebecca James) MS Powerpoint Zipped
  • Number Bonds to 10 (Rory Maclean) PDF
  • Number Bonds to 10 (Laura Davies) DOC
  • Number Bonds (Lynne Hardwidge) PDF
  • Number Search – 20 Bonds (Sheena Florey) PDF
  • Number Search – 9 Bonds (Sheena Florey) PDF
  • Making 20 (Easy addition) (Sheila Daly) PDF
  • Adding to 20 (Clare Shoemark) PDF
  • Making 10 and 20 (Lynne Hardwidge) PDF
  • Benny’s Code Game (Clare Shoemark) PDF
  • Number Grids (Lynne Hardwidge) PDF
  • Game: Three in a Row (Lauren Hately) DOC
  • Game: Rocket Race (Lauren Hately) DOC
  • Take Away Mix (Liz Hazelden) DOC
  • Number Addition & Subtraction (Helen Barrett) PDF
  • Disappearing Man (+/-) (Natasha Brown) MS Powerpoint
  • Addition Worksheet Generator (Campbell Airlie) 
  • Dice Subtraction Games (Vicki Foy) PDF
  • Adding 2 Groups (Jean Simpson) DOC
  • More Than / Less Than (Linda Cook) DOC
  • Number Bonds to 10 Rhyme (Alison Tamlyn) DOC
  • Simple Addition & Subtraction Noughts & Crosses (Gwyneth Pocock)  
  • Bondsai! Game (Gwyneth Pocock)  
  • Number Bonds to 10 Bingo (Rosie Wedderburn) DOC
  • Number Bonds Dominoes (Dawn Ellis)  
  •  Number Bonds Dominoes (up to 5, 6) (Kellie James/Dawn Ellis) DOC
  • Minifigure Number Bonds to 10 MS Powerpoint MS Powerpoint
  • Number Bonds (to 10/20) Game (Doro Thyssen) 
  • Rocket Maths (Laura Coady)  
  • Number Search (Laura Coady)  
  • Bead Number Bonds to 10 and 20 (Leanne Bulman) MS Powerpoint
  • Visualising Number Bonds to 10 and 20 (Leanne Bulman) MS Powerpoint
  • Visualising Number Bonds (Leanne Bulman) MS Powerpoint
  • Number Bonds to 10 (Lindsay Robson) Smart Notebook (zipped)
  • Rub & Reveal Number Bonds (Gareth Monk) ActivStudio Instructions DOC
  • Number Bonds to 20 (B. Hiles) MS Powerpoint
  • Number Bonds to 20 (Jane Shinn) MS Powerpoint
  • Number Bonds to 100 (Rory Maclean) PDF
  • Number Bonds to 10 (Joanne Nalton) DOC
  • Class Quiz: Number Bonds to 20 (Lynne Outhwaite) MS Powerpoint
  • Ladybird Addition (Jane Dovey) PDF
  • Easy Addition & Subtraction (Clare Shoemark) PDF
  • Easy Subtraction 1 (Clare Shoemark) PDF
  • Easy Subtraction 2 (Clare Shoemark) PDF
  • Finding the Difference (Liz Hazelden) DOC
  • Subtraction (Michelle Haskew) PDF
  • Class Quiz: Complements to 100 (Lynne Outhwaite) MS Powerpoint
  • What’s My Number? (Addition) (Lynne Hardwidge) PDF
  • Sums Square Addition (Campbell Airlie) 
  • Addition Squares Worksheet Generator (Campbell Airlie) 
  • Pairs Which Total 100 Game (Vicki Foy) PDF
  • Number Bond Rhymes (Claire Jones) DOC
  • Number Bond Rhymes and Mimes (Natalia Barnard) DOC
  • Number Bonds to 100 (Mrs. Bangee) DOC
  • Subtraction 100 (Colette Palmer) PDF
  • Number Bonds 10 & 20 (Lisa Marshall) DOC
  • Number Bonds to 10 (Strips) (Jean Simpson) DOC
  • Number Bond to 10 Pictures (Shirley Rodgers) DOC
  • Number Bonds Cards (Rachael Cooper) DOC
  • Subtraction Pairs (Gwyneth Pocock)  
  • Dartboard Doubles Game (Gwyneth Pocock)  
  • Numicon Support Gallery (Aaron Laws) Smart Notebook (zipped)
  • Numicon Shapes (Richard Thomas) Smart Notebook (zipped)
  • Numicon 2 digits – 1 digit Subtraction (Laura Coady)  
  • Numicon Subtraction with Exchange (Laura Coady)  
  • Numicon 3 digit Addition Game (Laura Coady)  
  • Number Bonds to 5p Cards (Leanne Bulman) MS Powerpoint
  • Number Bonds to 10p Cards (Leanne Bulman) MS Powerpoint
  • Build with Bonds (Roger Targett) MS Powerpoint
  •  Adding 2 Groups (Gemma Thomas) DOC
  •  Simple Addition & Subtraction (Mrs. Bangee) DOC
  •  Fruit Subtraction (Sarah Pascall) PDF
  •  Number Track Calculations (Jo Cayley) DOC
  •  Animal Addition (up to 10 & 20) (Gemma Lee) DOC
  •  Adding up to 10 (Sarah Pascall) PDF
  •  Number Bonds (5 and 10) (Joanne Worsnop) DOC
  •  Number Line Calculations (Jo Cayley) DOC
  •  Pairs that make 10 (Nick Perry) MS Powerpoint
  •  Making 10 (K. Leeds) MS Powerpoint
  •  Making 10 (v2) (K. Leeds) MS Powerpoint
  •  Find the Difference between 2 Numbers (Sara Zollino) MS Powerpoint
  •  Take Away Teddy Bears (Chloé Goodwin) DOC
  •  Ladybird Subtraction (Helen Broadbent) DOC
  •  Adding in the Garden (Gareth Rein) DOC
  •  Add Up (Gareth Rein) DOC
  •  Adding (<10) (Linda Cook) DOC
  •  Monsters Making 10 (Kieran Larwood) PDF
  •  Making 11 (Elna Strydon) MS Powerpoint
  •  Number Bonds to 10 (Sue Ashby) MS Powerpoint
  •  Adding More (Liz Hazelden) DOC
  •  Taking Away (Easy) (Liz Hazelden) DOC
  •  Little Red Addition (Lisa McIlwaine) DOC
  •  Windy Day Takeaway (Gareth Rein) DOC
  •  Addition in Words (<20) (Linda Cook)
  • Making and Breaking 10  (Shirley Lehmann) Easiteach
  •  Addition Crackers (Fiona Hadden) ActivStudio
  •  Number Bonds to 10 (Hilary Rodley) PDF
  •  Number Bonds to 5 (Lisa Tregellas) ActivStudio
  •  Number Bonds to 10 (Shelley Parsons) MS Powerpoint
  •  Number Bonds to 10 Party Hats (Sally Shrestha) MS Powerpoint
  •  Harold Goes Fishing (Subtraction) (Hayley Williams) MS Powerpoint
  •  Taking Away from Ten Pig Pen (Sarah Hart) Smart Notebook (zipped)
  •  Colour the Fish: Addition (Sandra Miller) DOC
  •  Colour the Fish: Subtraction (Sandra Miller) DOC
  •  Basic Addition Up to 10, 20 (Joanne Gordon) DOC
  •  Domino Number Bonds 0-5 (Natasha Wood) DOC
  •  Number Bonds to 10 Booklet (Venesser Pate) DOC
  •  Prices (Number Bonds) to 10p (Aksa Shaheen) DOC
  •  Number Bonds to 10 (R. Peck)  
  •  Using a Number Line to Add (Laura Roberts) DOC
  •  Simple Take Aways (Laura Roberts) DOC
  •  Flower Number Bonds (Suzanne Walsh) DOC
  •  A Toy Problem (Karen Donaghey) DOC
  •  Caterpillar Calculations (Jan Blanthorn-Hazell) MS Powerpoint v2 MS Powerpoint
  •  Take Away Cupcakes (Jan Blanthorn-Hazell) DOC
  •  Addition to 8, 9 or 10 Generator (Lesley Richmond) 
  •  Addition to 11, 12 or 13 Generator (Lesley Richmond) 
  •  Addition to 14, 15 or 16 Generator (Lesley Richmond) 
  •  Addition to 17, 18, 19 or 20 Generator (Lesley Richmond) 
  •  Adding to 10 (Philomena Shotton) Smart Notebook (zipped)
  •  Teddy Bear Subtraction (Michelle Stone) MS Powerpoint
  •  Ways to Make 20 (Gillian Miller) Smart Notebook (zipped)
  •  Timed Addition (Katie Ward) DOC
  •  Simple Addition and Subtraction (Amalia Dessouki) DOC
  •  Number Bonds to 10 Cards (Antonella Molinelli Esposito) PDF
  •  Simple Addition (to 10) (R. Peck) DOC
  •  Picture Addition (Helen Logan Wood) DOC
  •  Adding Using a Number Line (Emma Mulvey) 
  •  Find the Difference (using a number line) (Laura Roberts) DOC
  •  Difference Between (Alex Glover) DOC
  •  Toy Subtraction (Karen Donaghey) DOC
  •  Number Bonds to 10 Ladybirds (Hazel Boyes) DOC
  •  Pairs that Make 10 (S. Lingard) DOC
  •  Number Bonds to 10 (Emily Murton)  
  •  Empty Box Addition Recording Sheet (Vicki Foy) PDF
  •  Counting the Stars (Counting On) (Venesser Pate) DOC
  •  Subtraction from 10 (Heidi Morris-Duffin) MS Powerpoint
  •  Number Bonds to 10 Ladybirds (Dhipa Begum)  
  •  Using a Number Line to Add (1) (Charlotte Harvey) DOC
  •  Using a Number Line to Add (2) (Charlotte Harvey) DOC
  •  Addition on a 100 Square (Richard Donnell) MS Powerpoint
  •  Subtraction on a 100 Square (Richard Donnell) MS Powerpoint
  •  Number Bonds to 10 (Donna Weeks) MS Powerpoint
  •  Adding Either Order (Sarah Sergeant) MS Powerpoint
  •  Pass the Ball (Steve Manley) PDF
  •  Goalie Throws (Steve Manley) PDF
  •  4 in a row – Addition (Veronica Thomas) PDF
  •  4 in a row – Subtraction (Veronica Thomas) PDF
  •  Monkey in the Jungle Game (Gillian Caine) DOC
  •  Colour Code Addition (to 20) (Emma Davies) DOC
  •  Visual Subtraction (Helen Loganwood) DOC
  •  Subtraction Search (Victoria McKeown) DOC
  •  Subtraction Machines (Jennifer Gibbs) DOC
  •  Number Bonds to 20 (Sabina Common) 
  •  Addition & Subtraction Number Maze (Nick Phillips) DOC
  •  Target 10 (Maisha Stalker) MS Powerpoint
  •  Addition & Subtraction Number Puzzle (Glynis Hood) DOC
  •  Dora (Number Sums to 10) (Lisa Mary McNamee) XLS
  •  Addition Machines (Antoinette Payne) DOC
  •  Number Bonds to 10 (Leah Johnston) PDF
  • Complements to 10, 100 and 1000 (Andrew Woodcock) XLS
  •  Addition/Subtraction Using a Numberline (Colette Hallinan) DOC
  •  Subtracting Multiples of 10 (Jennifer Gibbs) DOC
  •  Making Numbers 6-10 (Riann Gladwish) DOC
  •  Themed Addition & Subtraction: Frozen (Shelley Joanne Lee) DOC
  •  Themed Addition & Subtraction: Turtles (Shelley Joanne Lee) DOC
  •  Pairs that make 10, 100 (J. Gibbs) DOC
  •  Subtraction with 20 Domino Cards (Alison Davis) DOC
  •  Number Bonds to 10 (Sabina Common) 
  •  Number Bonds to 100 (Morag Watson) 
  •  Addition and Subtraction Calculations (Rachael Wilkie) DOC
  •  Adding Date in Tables (Michelle Culliford) PDF
  •  Adding to 100 (Olivia Halls) DOC
  •  Number Bonds to 100 (Ian Harragan)  
  •  Addition Grids Starter (Paula Alty) MS Powerpoint
  •  Number Bonds to 100 (in 10s) (Sharon Soper) DOC
  •  Number Bonds to 10, 20, 30 (Gill Mullin) DOC
  •  Subtraction Grids Starter (Paula Alty) MS Powerpoint
  •  Pairs that Make 100 Word Problems (Sabina Common)  
  •  Pairs that Make 100 Dice Sheet (Sabina Common)  
  •  Subtraction Counter Toss Game (Daniel Winter)  
  •  T1 U12 Addition & Subtraction (& time) (David Arthur) ActivStudio
  •  Number Bonds to 1000 (Mrs. Bangee) DOC
  •  Addition Jigsaw (Peter Barnett) 
  •  Complements to 20, 100 and 1000 (Rosie Morgan) DOC
  •  Number Bonds to 100 (Mrs. Bangee) DOC

 

Missing Numbers:

  • Missing Numbers (Gareth Pitchford) Downloadable Program
  • Missing Number Subtraction (Liz Hazelden) DOC
  • Unknown Number (3 sheets) (Sheena Florey) PDF
  • Fill in the Blanks (TU totals) (Gareth Rein) DOC
  • What was my Number? (Sukina Jalaf) MS Powerpoint
  • Missing Addition (Bindya Nakeshree) DOC
  • Missing Numbers – 7 sheets (Tony Wilson) PDF
  • Balancing Act (Lisa Heap) PDF
  • Ladybird Mystery Sums (Sandra Irons) DOC
  • Ladybird Spot Addition (Louise Storrar) DOC
  •  Missing Numbers (Philomena Shotton) Smart Notebook (zipped)
  •  Mission Numbers Addition Sheets (Hayley Shortt) DOC
  •  Missing Numbers (Eleanor Spry) DOC
  •  Subtraction from 8, 9 or 10 Generator (Lesley Richmond) 
  •  Subtraction from 11, 12 or 13 Generator (Lesley Richmond) 
  •  Subtraction from 14, 15 or 16 Generator (Lesley Richmond) 
  •  Subtraction from 17, 18, 19 or 20 Generator (Lesley Richmond) 
  •  Missing Number Addition (Liz Hazelden) DOC
  •  Missing Number Addition (Nicola McCrum) DOC
  •  Subtraction Empty Box Problems (Carolyn Turk) MS Powerpoint
  •  Subtraction from 10 Generator (Lesley Richmond) 
  •  Subtraction from 11 Generator (Lesley Richmond) 
  •  Subtraction from 12 Generator (Lesley Richmond) 
  •  Missing Number Addition totalling 10 Generator (Lesley Richmond) 
  •  Missing Number Addition (LA) (Liz Hazelden) DOC
  •  Missing Numbers: Addition & Subtraction (Dhipa Begum) DOC
  •  Unknown Numbers (David-Guy Parkin) DOC
  •  Balancing Act (LA) (Pauline Davies) DOC
  •  Balancing Equations (Megan Heys) DOC
  •  Missing Numbers (inverse using + and -) (Pauline Davies)  
  •  Smudged Calculations (Subtraction) (Helen Telford) DOC – Answers DOC