Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 14 ones = _____
- 8 tens = _____
- 3 tens 9 ones = _____
- 1 tens 12 ones = _____
(a)
14 ones
= 14 x 1
= 14
(b)
8 tens
= 8 x 10
= 80
(c)
3 tens 9 ones
= 3 x 10 + 9 x 1
= 30 + 9
= 39
(d)
1 tens 12 ones
= 1 x 10 + 12 x 1
= 10 + 12
= 22
Answer(s): 14, 80, 39, 22