Page 47 - Start Up Mathematics_1
P. 47
HOW MUCH DO YOU KNOW?
1 Add the numbers.
(a) 4 + 3 = (b) 2 + 1 + 5 = (c) 6 + 0 =
(d) 3 + 3 + 2 = (e) 4 + 2 + 2 = (f) 0 + 9 =
(g) (h) (i) (j) (k)
6 2 7 3 5
+ 3 + 4 + 0 + 3 + 4
(l) (m) (n) (o) (p)
7 4 1 5 2
0 2 2 1 2
+ 1 + 2 + 3 + 1 + 3
2 Fill in the empty boxes.
(a) 5 + 2 = = 2 + 5 (b) 4 + = 5 = 1 + 4
(c) 0 + 8 = = + 0 (d) + 3 = 9 = 3 + 6
3 Add the numbers on the number line.
(a) 1 + 4 =
0 1 2 3 4 5 6 7 8 9
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