Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 40 ones = _____
- 6 tens = _____
- 2 tens 7 ones = _____
- 4 tens 17 ones = _____
(a)
40 ones
= 40 x 1
= 40
(b)
6 tens
= 6 x 10
= 60
(c)
2 tens 7 ones
= 2 x 10 + 7 x 1
= 20 + 7
= 27
(d)
4 tens 17 ones
= 4 x 10 + 17 x 1
= 40 + 17
= 57
Answer(s): 40, 60, 27, 57