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Multiply and divide numbers mentally and using a formal written method to multiply and divide 4-digit numbers.

When we are multiplying by a number ending in 5 we can double the number and halve the other number before multiplying (by a multiple of ten, making it easy).

To multiply by 21, just multiply by 20 and then add the number on. (To multiply by 20, double and times by 10.)

When working out which of these number sentences are true remember that the part in brackets should be worked out first.

A mixed bag of quick fire questions on division.

Use the standard short method of multiplication with 3-digit numbers, but just keeping to the 2x, 5x and 10x tables.

Multiplying 4-digit whole numbers by a single digit, using the standard written method.

Formal written multiplication, multiplying 4-digit numbers by 1-digit.

Multiplying 4-digit numbers by 2-digits.

Introducing decimals using the standard method of division.

Multiplying amounts of money (with decimal point) by a single digit.

Using the standard short division method and just the 9 times table to work out the answers to these division questions.

Using the short division method with squared paper.

Divide 4-digit numbers by a single digit, including remainders.

A selection of word problems needing division to solve.

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