Find the following values without a calculator.
For (c), give your answer only in numbers. (Eg 1, 2)
- 22 = ____ tens 2 ones
- 28 = 2 tens ____ ones
- 81 = ____ tens ____ ones
(a)
22
= 20 + 2
= 2 tens 2 ones
(b)
28
= 20 + 8
= 2 tens 8 ones
(c)
81
= 80 + 1
= 8 tens 1 ones
Answer(s): (a) 2; (b) 8; (c) 8, 1