Page 127 - Start Up Mathematics_1
P. 127
13 Subtract the numbers.
Tens Ones Tens Ones Tens Ones Tens Ones
(a) 4 3 (b) 5 2 (c) 3 1 (d) 7 4
– 7 – 2 6 – 1 5 – 4 8
Tens Ones Tens Ones Tens Ones Tens Ones
(e) 9 0 (f) 6 2 (g) 5 7 (h) 3 2
– 7 3 – 3 4 – 2 8 – 9
Tens Ones Tens Ones Tens Ones Tens Ones
(i) 8 6 (j) 4 1 (k) 9 3 (l) 8 5
– 5 7 – 2 6 – 5 4 – 4 6
14 Solve these word problems.
Tens Ones
(a) There were 21 birds on a tree.
10 flew away. How many are left?
Answer: ________________
Tens Ones
(b) There were 46 animals in the zoo.
29 ran away. How many are left?
Answer: ________________
119
