lo: to use doubling and halving to multiply or divide two-digit numbers by 4. 17 /05/05
TRANSCRIPT
LO: to use doubling and halving to multiply or divide two-digit
numbers by 4.17/05/05
Two digit numbers:
51
47
99
43
88
6874
20
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?
0 5 10 15 20
17 divided by 5 could be 3 r2 OR 3 2/5
2/5What is this as a decimal?
2
5
4
10
40
10040%
0.4
Task: 17/05/05
• LO: to express a quotient as a fraction and a decimal
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. 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!
What number have I halved to get a quotient of 61 ½?
!sdrawkcab gnikniht teg s’teL
Let’s get thinking backwards!
What number have I quartered to get a quotient of 22.25?
!sdrawkcab gnikniht teg s’teL