Home | My Account | Contact | FAQ

Advanced Search

Select group

Email: Password:

Forgotten your password? Not Registered? Register now

Addition and Subtraction Facts

These activities for 7 to 9 year olds focus on addition and subtraction facts, starting with facts to twenty and building to include addition - subtraction inverses and multiples of 10 and 100.

For ages: 7 to 8

Squarebot Bonds

Click the flying saucer which shows the correct number to complete the sum on the space rocket.... 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 and use addition and subtraction facts for all numbers to 20

Year 3, Block B, Unit 1

For ages: 7 to 8

Sinking Sums

Play against the clock. An addition fact to twenty falls into the swamp, can you choos the correct answer before it sink... 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 and use all addition and subtraction facts to 20.

Year 3, Block B, 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 - 8

Caterpillar Chaos

read the sum on each leaf, then look at the sums on the caterpillars. Drag the caterpillars onto the leaf which contains... more

First used for Objective

Identify patterns and relationships involving numbers or shapes, and use these to solve problems

I can describe patterns when I solve problems

Year 3, Block B, Unit 1

For ages: 7 - 8

Caterpillar Crunch

Each caterpillar has an addition sum which is related to one of the sums on the leaves. Find the pattern in the sums and... more

First used for Objective

Explain a process or present information, ensuring items are clearly sequenced, relevant details are included and accounts ended effectively

I can explain how I add and subtract numbers in my head

Year 3, Block A, Unit 1

For ages: 7 - 8

Bean Splat Snap

Play snap by matching the pairs of cards that sum to one hundred. Every time you get one right Triangle Man gets one ste... 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 number pairs that sum to 100

Year 3, Block A, Unit 2

For ages: 7 - 8

Wet Sponge Sums

It's the wet sponge throwing stall at the fair, mentally add or subract multiple one and two digit numbers then select t... more

First used for Objective

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

I can add several one-digit numbers in my head.

Year 3, Block A, Unit 3

For ages: 8 - 9

Place Value Worm

The worms are trying to find the tastiest apple. Use your knowledge of addition facts to work out the sums of multipler... 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 sums like 3+7 = 10, I also know 30+70 = 100

Year 4, Block B, Unit 1

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

Skating Scores

Use your knowledge of decimals to add the scores at the skating contest. There are three levels. ... more

First used for Objective

Use knowledge of place value and addition and subtraction of two-digit numbers to derive sums and differences and doubles and halves of decimals (e.g. 6.5 ± 2.7, half of 5.6, double 0.34)

I can work out sums and differences of decimals with two digits

Year 5, Block A, Unit 1

For ages: 8 to 10

Shopping List Sums

Triangle Man explains a strategy to help with mental addition when adding up a lot of two digit numbers. Drag the units ... more

First used for Objective

Extend mental methods for whole-number calculations, for example to multiply a two-digit number by a one-digit number (e.g. 12 × 9), to multiply by 25 (e.g. 16 × 25), to subtract one near-multiple of 1000 from another (e.g. 6070 - 4097)

I can use different mental strategies for calculations

Year 5, Block E, Unit 1