Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 38 ones = _____
- 8 tens = _____
- 3 tens 4 ones = _____
- 7 tens 10 ones = _____
(a)
38 ones
= 38 x 1
= 38
(b)
8 tens
= 8 x 10
= 80
(c)
3 tens 4 ones
= 3 x 10 + 4 x 1
= 30 + 4
= 34
(d)
7 tens 10 ones
= 7 x 10 + 10 x 1
= 70 + 10
= 80
Answer(s): 38, 80, 34, 80