Find the following values without a calculator.
For (c), give your answer only in numbers. (Eg 1, 2)
- 77 = ____ tens 7 ones
- 87 = 8 tens ____ ones
- 19 = ____ tens ____ ones
(a)
77
= 70 + 7
= 7 tens 7 ones
(b)
87
= 80 + 7
= 8 tens 7 ones
(c)
19
= 10 + 9
= 1 tens 9 ones
Answer(s): (a) 7; (b) 7; (c) 1, 9