Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 22 ones = _____
- 8 tens = _____
- 4 tens 2 ones = _____
- 7 tens 14 ones = _____
(a)
22 ones
= 22 x 1
= 22
(b)
8 tens
= 8 x 10
= 80
(c)
4 tens 2 ones
= 4 x 10 + 2 x 1
= 40 + 2
= 42
(d)
7 tens 14 ones
= 7 x 10 + 14 x 1
= 70 + 14
= 84
Answer(s): 22, 80, 42, 84