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# Maths: Strategies

## Dividing by 2

## Adding two, two digit numbers to 100

## Subtracting two, two digit numbers

## Dividing by 5

## Adding one digit numbers

## Subtracting one digit numbers

## Multiplying by 2

## Multiplying by 5

## Doubling numbers

## Finding 3/4 of a number

## Number bond to 10

## Finding the missing number

## Finding the difference

## Finding the missing number

1. You can share the amount on two plates (circles)

Or

1. You could count in 2's to the given number to see how many 2's make up that number.

Or

1. You could count in 2's to the given number to see how many 2's make up that number.

1. First add the tens

2. Then add the ones

3. Now add the two answers together

2. Then add the ones

3. Now add the two answers together

1. Keep the first number the same

2. Take away the tens of the second number

3. Using that answer, take the ones of the second number away

4. You have your final answer

2. Take away the tens of the second number

3. Using that answer, take the ones of the second number away

4. You have your final answer

1. You can count in 5's to 25.

Or

1. You could also draw 5 plates (circles) and share 25 dots, giving one to each plate.

Or

1. You could also draw 5 plates (circles) and share 25 dots, giving one to each plate.

1. Put the biggest number in your head

2. Count forward the other number eg. 8 + 5 8 goes in your head, you count on five using your fingers

Or

1. Draw 8 dots and add 5 more.

2. Count them altogether

2. Count forward the other number eg. 8 + 5 8 goes in your head, you count on five using your fingers

Or

1. Draw 8 dots and add 5 more.

2. Count them altogether

1. Put the first number in your head

2. Count back the other number eg. 6 - 4, count back for times, using four fingers

Or

1. Draw the first number of dots eg. 6 dots

2. Cross out the other number eg. cross out 4

2. Count back the other number eg. 6 - 4, count back for times, using four fingers

Or

1. Draw the first number of dots eg. 6 dots

2. Cross out the other number eg. cross out 4

1. Multiply is the same as 'lots of', so we can draw 2 lots of 4 dots or 4 lots of 2 dots, for 4 x 2

or

1. We can count in 2's, 4 times

or

1. We can count in 2's, 4 times

1. You can count in 5's that many times

Or

1. You could draw an array. Showing 5 lots of 3 or 3 lots of 5

Or

1. You could draw an array. Showing 5 lots of 3 or 3 lots of 5

1. If you are doubling numbers 0-5, you can use your fingers to put the amount together

Or

1. You can put one of the numbers in your head and count on the same number eg. 4 in my head, add 4 more using my fingers

Or

1. You can draw 4 dots and add 4 more. Then add them altogether.

Or

1. You can put one of the numbers in your head and count on the same number eg. 4 in my head, add 4 more using my fingers

Or

1. You can draw 4 dots and add 4 more. Then add them altogether.

1. First find 1/4. This is the same as dividing by 4 or half and half again.

2. Once you have 1/4 of the number, you need to get 3/4 by multiplying it by 3 or adding the number three times.

2. Once you have 1/4 of the number, you need to get 3/4 by multiplying it by 3 or adding the number three times.

1. Using your fingers show 10. Ask how many fingers are down? 0

2. Put one finger down, 1 down and 9 up. These make ten.

3. Continue with all numbers to ten.

2. Put one finger down, 1 down and 9 up. These make ten.

3. Continue with all numbers to ten.

1. We have to find the difference in order to find the missing number.

2. Using the number you have, find the different between that and the total.

3. You can count forwards or backwards, add or take-away in order to find the difference.

eg. you can count forwards from 22 to 35 or count backwards from 35 to 22.

2. Using the number you have, find the different between that and the total.

3. You can count forwards or backwards, add or take-away in order to find the difference.

eg. you can count forwards from 22 to 35 or count backwards from 35 to 22.

1. Count forward from the lower number to the higher number

Or

2. Count backwards from the higher number to the lower one

Or

2. Count backwards from the higher number to the lower one

1. Find the difference between both numbers by; counting forwards from the lower number or backwards from the highest number

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