Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 37 ones = _____
- 9 tens = _____
- 3 tens 9 ones = _____
- 8 tens 19 ones = _____
(a)
37 ones
= 37 x 1
= 37
(b)
9 tens
= 9 x 10
= 90
(c)
3 tens 9 ones
= 3 x 10 + 9 x 1
= 30 + 9
= 39
(d)
8 tens 19 ones
= 8 x 10 + 19 x 1
= 80 + 19
= 99
Answer(s): 37, 90, 39, 99