Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 38 ones = _____
- 7 tens = _____
- 2 tens 7 ones = _____
- 4 tens 16 ones = _____
(a)
38 ones
= 38 x 1
= 38
(b)
7 tens
= 7 x 10
= 70
(c)
2 tens 7 ones
= 2 x 10 + 7 x 1
= 20 + 7
= 27
(d)
4 tens 16 ones
= 4 x 10 + 16 x 1
= 40 + 16
= 56
Answer(s): 38, 70, 27, 56