Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 38 ones = _____
- 9 tens = _____
- 3 tens 8 ones = _____
- 4 tens 11 ones = _____
(a)
38 ones
= 38 x 1
= 38
(b)
9 tens
= 9 x 10
= 90
(c)
3 tens 8 ones
= 3 x 10 + 8 x 1
= 30 + 8
= 38
(d)
4 tens 11 ones
= 4 x 10 + 11 x 1
= 40 + 11
= 51
Answer(s): 38, 90, 38, 51