LO: to use doubling and halving to multiply or divide two-digit numbers by 4. 17/05/05.

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Presentation transcript:

LO: to use doubling and halving to multiply or divide two-digit numbers by 4. 17/05/05

Two digit numbers: 20 68 51 74 99 88 47 43

LO: to begin to express a quotient as a fraction or a decimal when dividing whole numbers by 2, 4, 5 or 10p when dividing £ and p.

LO: to begin to express a quotient as a fraction or a decimal when dividing whole numbers by 2, 4, 5 or 10p when dividing £ and p. Any ideas anyone???

What is the quotient of: 17 divided by 4?

What is the quotient of: 17 divided by 4? 4 r1

17 has been divided into 4 groups and the REMAINDER of 1 should also be divided by 4.

17 has been divided into 4 groups and the REMAINDER of 1 should also be divided by 4.

0 4 8 12 16 20

0 4 8 12 16 20

0 4 8 12 16 20

0 4 8 12 16 20 What fraction of the jump is the remainder?

17 divided by 5 could be 3 r2 OR 3 2/5 0 5 10 15 20 17 divided by 5 could be 3 r2 OR 3 2/5

2/5 What is this as a decimal? 4 10 40 100 40% 0.4

LO: to express a quotient as a fraction and a decimal Task: 17/05/05 Work in pairs to divide each of the following numbers by 2, 4, 5 and 10. 35 53 67 47

It costs £5. 40 for four children to go swimming It costs £5.40 for four children to go swimming. How much does it cost each child? It costs £11.80 for 4 adults to go skating. How much does it cost each adult?

Let’s get thinking backwards! !sdrawkcab gnikniht teg s’teL What number have I halved to get a quotient of 61 ½?

Let’s get thinking backwards! !sdrawkcab gnikniht teg s’teL What number have I quartered to get a quotient of 22.25?