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Subtraction

The subtraction activities are intended for children between 7 and 10 and support formal and informal methods for learning subtraction including number lines, column subtraction, counting back, number facts, exchanging and activities to support mental sub

For ages: 7 to 8

Rocket Number Line

Use a number line to calculate the difference in size between two space rockets. Use the key pad to keep a running total... more

First used for Objective

Represent the information in a puzzle or problem using numbers, images or diagrams; use these to find a solution and present it in context, where appropriate using ?.p notation or units of measure.

I can draw a picture to help make sense of a problem.

Year 3, Block B, Unit 3

For ages: 7 to 8

Slithery Subtractions

How much bigger or smaller is one snake from the other. Find solutions to the problems represented by the images. Use a ... more

First used for Objective

Represent the information in a puzzle or problem using numbers, images or diagrams; use these to find a solution and present it in context, where appropriate using ?.p notation or units of measure

I can draw a picture, make jottings or write calculations to help me answer a problem

Year 3, Block D, Unit 2

For ages: 7 - 8

Giraffe

How far does the girrafe have to stretch to eat the leaves? Use mental maths to answer addition and subtraction proble... more

First used for Objective

Add or subtract mentally combinations of one-digit and two-digit numbers

I know how to find the difference between two 2-digit numbers

Year 3, Block D, Unit 2

For ages: 7 - 8

Balloon Exchange

Unpack the balloons to partition a three digit number before subtracting another three digit number. exchange the ballo... more

First used for Objective

Develop and use written methods to record, support or explain addition and subtraction of two-digit and three-digit numbers

I write down my method to add or subtract two-digit or three-digit numbers

Year 3, Block D, Unit 3

For ages: 7 to 8

Sum in a Box

It's quiz show time. An incomplete sum is displayed along with a lot of numbers in boxes. Look carefully and decide whic... more

First used for Objective

Derive and recall all addition and subtraction facts for each number to 20, sums and differences of multiples of 10 and number pairs that total 100

I know the sum and difference of any pair of numbers to 20

Year 3, Block A, Unit 1

For ages: 7 to 8

Stock Car Sums

The racing cars are ready to start but one of them is missing a number. Use mental addition and subtraction to choose th... more

First used for Objective

Add or subtract mentally combinations of one-digit and two-digit numbers

I can add and subtract one-digit and two-digit numbers in my head (e.g. 62 + 7, 7 + 45, 48 / 6, 60 ? 8)

Year 3, Block A, Unit 1

For ages: 7 - 8

Correct Change

Bread head is buying his lunch at the canteen. He pays for it with a 50 pence piece, how much change should he get? Ther... more

First used for Objective

Solve one-step and two-step problems involving numbers, money or measures, including time, choosing and carrying out appropriate calculations.

I can solve a problem by writing down what calculation I should do.

Year 3, Block B, Unit 3

For ages: 7 to 8

Piggy Bank Take Away

Take some money out of the piggy bank. Everytime a coin is removed the numberline is adjusted. Use the keypad to enter t... more

First used for Objective

Add or subtract mentally combinations of one-digit and two-digit numbers

I can add or subtract a one-digit number to or from a two-digit number

Year 3, Block D, Unit 1

For ages: 8 - 9

Test your Strength

Practice adding and subtracting two digit numbers ending in nine.... more

First used for Objective

Add or subtract mentally pairs of two-digit whole numbers (e.g. 47+ 58, 91 35)

I can add and subtract mentally pairs of two-digit numbers

Year 4, Block A, Unit 2

For ages: 8 - 9

Formal Subtraction

Work through step by step to answer a subtraction question using a formal written method. Borrow from the tens and hundr... more

First used for Objective

Refine and use efficient written methods to add and subtract two-and three-digit whole numbers and £.p

I can add three-digit numbers using a written method

Year 4, Block A, Unit 2

For ages: 8 - 9

Boat Race

The power boats are ready to start but one of them is missing a number. Use mental addition and subtraction to choose th... more

First used for Objective

Add or subtract mentally pairs of two-digit whole numbers (e.g. 47 + 58, 91 35)

I can add and subtract mentally any two-digit numbers you give me, such as 56 + 22, 58 + 39, 64 37, 98 89

Year 4, Block A, Unit 3

For ages: 7 - 8

Balloon Exchange

Unpack the balloons to partition a three digit number before subtracting another three digit number. exchange the ballo... more

First used for Objective

Develop and use written methods to record, support or explain addition and subtraction of two-digit and three-digit numbers

I write down my method to add or subtract two-digit or three-digit numbers

Year 3, Block D, Unit 3

For ages: 8 - 9

Wheelie Difference

One of the wheels has fallen off Zero G's bike. Can you choose the right one to put back on? The numbers on the bike mus... more

First used for Objective

Use knowledge of addition and subtraction facts and place value to derive sums and differences of pairs of multiples of 10, 100 or 1000

Because I know number facts such as 8 3 = 5, I know that 80 30 = 50.

Year 4, Block B, Unit 3

For ages: 9 - 10

Junk Shop Subtraction

Can you calculate the the correct change? Using a written method subtract a two place decimal keeping the numbers in the... more

First used for Objective

Use efficient written methods to add and subtract whole numbers and decimals with up to two places

I can add and subtract whole numbers and decimals with two places in columns

Year 5, Block D, Unit 2

For ages: 9 - 11

Missing Number Sums

blank... more

First used for Objective

Use a calculator to solve problems, including those involving decimals or fractions (e.g. to find of 150g); interpret the display correctly in the context of measurement

- I can find missing numbers in written a calculation.

Year 5, Block B, Unit 3