Use knowledge of place value and addition and subtraction of two-digit numbers to derive sums and differences and doubles and halves of decimals

View all Year 5 Block A objectives.

 
Division - Crystal Crash Division - Crystal Crash

A fun way to get children to practise their division facts. All the levels are based on objectives from the new maths curriculum. Choose one level, or select all the levels for a year group. 

This game, together with all the other crystal crash games, is available as a single iPad or Android app.

1. Half of numbers to 20 (Y1)

5. Derive and use halves of simple two-digit even numbers (Y2)

9. Halve numbers up to 200 (Y3)

13. Division facts for the 11 times table (Y4)

2. Division facts for the 2 times table (Y2)

6. Division facts for the 3 times table (Y3)

10. Division facts for the 6 times table (Y4)

14. Division facts for the 12 times table (Y4)

3. Division facts for the 5 times table (Y2)

7. Division facts for the 4 times table (Y3)

11. Division facts for the 7 times table (Y4)

15. Halve decimals (1dp) (Y4)

4. Division facts for the 10 times table (Y2)

8. Division facts for the 8 times table (Y3)

12. Division facts for the 9 times table (Y4)

16. Halve decimals (2dp) (Y5)

Balance scales -  add, move or remove a weight Balance scales - add, move or remove a weight

Balance the scales by adding, moving or removing a weight. A great mental starter to develop addition and subtraction skills.

For more addition and subtraction resources click here.

KS2 Maths Invaders KS2 Maths Invaders

Shoot the spaceship with the correct answer and dodge the incoming fire. A fun game to practise a wide range of key mathematical skills.  

There are over a hundred carefully differentiated levels linked to objectives from the new maths curriculum. The game can be used to teach: Multiplication, Addition, Reading Numbers, Subtraction, Fractions of Numbers, Roman Numerals, Rounding Numbers, Division, Converting Fractions to Decimals, Converting Fractions to Percentages, Telling the Time in Words, Recognising Multiples, Factors, Prime, Square and Cube Numbers, and Simplifying Fractions. A full list of levels is below. This game is also available as an iOS and Android app.

Balancing Decimal Calculations Balancing Decimal Calculations

Find the missing number to balance the decimal calculations. Levels include finding the sums and differences of decimal, U.t xU and multiplying and dividing decimals by 10, 100 or 1000. Choose a range of different objectives and they will be 'balanced' against each other.

For more resources involving fractions and decimals click here.

Addition - Crystal Crash Addition - Crystal Crash

A fun game to practise mental addition skills. The game was designed to cover all the mental addition objectives in the new math curriculum. You can choose one objective, or choose all the objectives for a year group. 

This game, together with all the other crystal crash games, is available as a single iPad or Android app.

1) Add numbers up to 10 (Y1)

6) Add three one-digit numbers (Y2)

11) Add a three-digit number and ones (Y3)

16) Add combinations of two and three digit numbers (y4)

2) Add numbers up to 20 (Y1)

7) Addition pairs that make 100 (multiples of 10) (Y3)

12) Add a three-digit number and tens (Y3)

17) Add combinations of decimals (1dp) (Y4)

3) Add a two-digit number and ones (Y2)

8) Addition pairs that make 100 (multiples of 5) (Y3)

13) Add a three-digit number and hundreds (Y3)

18) Add pairs of decimals (2dp) that make 1 (Y5 & Y6)

4) Add a two-digit number and tens (Y2)

9) Addition pairs that make 100 (Y3 & Y4)

14) Add pairs of decimals (1dp) that make 1 (Y4 & Y5)

19) Add combinations of three-digit numbers (Y5 & Y6)

5) Add two two-digit numbers (Y2)

10) Add pairs that make 1000 (multiples of 100) (Y3 & Y4)

15) Add pairs of decimals (1dp) that make 10 (Y4 & Y5)

20) Add combinations of decimals (2dp) (Y5 & Y6)

Multiplication - Crystal Crash Multiplication - Crystal Crash

A great game to get children to practise their times tables. The objectives for this game have been taken from the new mathematics curriculum.

This game, together with all the other crystal crash games, is available as a single iPad or Android app.

1. Recall and use doubles of all numbers to 10 (Y1)

6. 3 times table (Y3)

11. 6 times table (Y4)

16. Double 3 digit numbers (Y4)

2. 2 times table (Y2)

7. 4 times table (Y3)

12. 7 times table (Y4)

17. Double decimals (1dp) (Y4)

3. 5 times table (Y2)

8. 8 times table (Y3)

13. 9 times table (Y4)

18. Recognise square numbers (up to 15²) (Y5)

4. 10 times table (Y2)

9. Double numbers up to 100 (Y3)

14. 11 times table (Y4)

19. Recognise cube numbers (up to 10³) (Y5)

5. Derive and use doubles of simple two-digit numbers (Y2)

10. Doubles of multiples of 50 up to 500 (Y3)

15. 12 times table (Y4)

20. Double decimals (2dp) (Y5)

Subtraction - Crystal Crash Subtraction - Crystal Crash

The game was designed to cover all the mental subtraction objectives in the new math curriculum. You can choose one objective, or choose all the objectives for a year group. 

This game, together with all the other crystal crash games, is available as a single iPad or Android app.

1) Subtract numbers from up to 10 (Y1)

6) Subtract from 100 (multiples of 10) (Y3)

11) Subtract tens from a three-digit number (Y3)

16) Subtract combinations of decimals (1dp) (Y4)

2) Subtract numbers from up to 20 (Y1)

7)Subtract from 100 (multiples of 5) (Y3)

12) Subtract hundreds from a three-digit number (Y3)

17) Subtract a decimal (2dp) from 1  (Y5 & Y6)

3) Subtract ones from a two-digit number (Y2)

8) Subtract from 100 (Y3 & Y4)

13) Subtract a decimal (1dp) from 1 (Y4 & Y5)

18) Subtract combinations of three-digit numbers (Y5 & Y6)

4) Subtract tens from a two-digit number (Y2)

9) Subtract from 1000 (multiples of 100) (Y3 & Y4)

14) Subtract a decimal (1dp) from 10 (Y4 & Y5)

19) Subtract combinations of decimals (2dp) (Y5 & Y6)

5) Subtract a two-digit number from a two-digit number (Y2)

10) Subtract ones from a three-digit number(Y3)

15) Subtract two-digit numbers from three-digit numbers (y4)

 
Adding Decimals - Digit Drag Adding Decimals - Digit Drag

Drag the digits to add decimal numbers and make a given total. 

Addition and Subtraction Dominoes Addition and Subtraction Dominoes

Answer addition and subtraction questions to arrange the dominoes in the correct order as quickly as possible. Lots of choice over level including; add and/or subtract within 20, 50, 100, using decimals or with negative numbers.

 

Missing Symbols Missing Symbols

Drag the symbols to the correct position to make the number sentence correct. Lots of levels to play. See if you can improve your score over time.

For more multiplication and division resources click here.

For more addition and subtraction resources click here.

This game is now part of the 'Calculations' collection, which includes the following 17 games and resources: Column Addition, Expanded Addition, Expanded Addition - Place Value Counters, Number Bonds(2), Addition - Digit Drag, Missing Symbols, Column Subtraction, Column Subtraction using Place Value Counters, Counting on to find difference on a beadstring, Multiplication Grid Method, Multiplication Written Method, Ratio and Scaling Numbers, Representing Multiplication, Division by Chunking Up, Division by Chunking Down, Formal Written Division - Round Up or Down?, Short Division Writen Formal Method.

The Calculations app is available on Google Play and the App Store.

Placing Calculations on a Number Line Placing Calculations on a Number Line

Place the answer to calculations on a number line. An enormous array of choice. Addition, subtraction, multiplication and division. Ranging from adding numbers to 10 to multiplying 4 digit numbers. Great for combining teaching calculations and approximations with developing an understanding of place value.

For more resources involving partitioning and place value click here.

For more addition and subtraction resources click here.

For more multiplication and division resources click here.

Number Facts Beat The Clock Number Facts Beat The Clock

Score as many points as you can before the time runs out. A number of levels including addition, subtraction, multiplication, division and matching fractions and decimals.

*Updated 30th May 2013 - choose multiple objectives, or objectives grouped by national curriculum level. The game also now includes a scoreboard. An iPad version is also available.

For more addition and subtraction resources click here.

For more multiplication and division resources click here.

Number Bonds Number Bonds

October 2012: New game added in which number bonds are represented visually using base-ten blocks and a number line.

Find pairs of numbers with a given total. Play against the clock. 

For more addition and subtraction resources click here.

Balancing scales - convert between g and kg Balancing scales - convert between g and kg

The scale is loaded with between 1 and 4 weights. The user then has to balance the scales, converting between g and kg in the process. There is a great deal of control over the level.

A great starter to explore addition, subtraction / difference and partitioning as well as the relationship between grams and kilograms. Levels include converting whole kg to g (and vice versa), converting fractions of kg (eg 1/4kg = 250g) and weights in kg to 1 and 2 decimal places.

For more measuring resources click here.

For more addition and subtraction resources click here.

Difference using an unmarked number line Difference using an unmarked number line

Find the difference between two numbers by counting on from the smaller number to the larger number. Children must add the fewest numbers possible, so are encouraged to develop more efficient mental methods. The addition is also shown as jumps on a number line.

Levels include counting up to 10, 20, 50 or 100, finding the difference between 2-digit numbers, 3-digit numbers and decimals.

For more addition and subtraction resources click here.