Page 82 - SK Year 5 Mathematics DLP

3 80 – 63.819 + 4.57 =
9 9 9
7 10 101010 1 1
write 0 after
8 0 . 0 0 0 decimal point 1 6 . 1 8 1
– 6 3 . 8 1 9 + 4 . 5 7 0
1 6 . 1 8 1 2 0 . 7 5 1

80 – 63.819 + 4.57 = 20.751

4 2.86 – 1.874 + 0.279 =

Pupil A’s calculation Pupil B’s calculation

17 15 1 1 1
1 7 5 10 1 . 8 7 4
2 . 8 6 0 Which calculation + 0 . 2 7 9
– 1 . 8 7 4 is correct? Discuss. 2 . 1 5 3
0 . 9 8 6

1 1 1 5 10
0 . 9 8 6 2 . 8 6 0
+ 0 . 2 7 9 – 2 . 1 5 3
1 . 2 6 5 0 . 7 0 7

5 97.36 + 20 – 36.14 =

9 7 . 3 6
+ 2 0 62.17 = 59.2
9 7 . 5 6 + – 43 45.97
– 3 6 . 1 4
6 1 . 4 2 Arrange the number
cards and symbol cards
above to create a correct
number sentence.
The answer above is
incorrect. Explain.

74 • Guide pupils in solving number sentences using different
2.2.2 methods of calculation.
• Analyse pupils’ errors to enhance their understanding.