Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 45 ones = _____
- 9 tens = _____
- 4 tens 6 ones = _____
- 1 tens 20 ones = _____
(a)
45 ones
= 45 x 1
= 45
(b)
9 tens
= 9 x 10
= 90
(c)
4 tens 6 ones
= 4 x 10 + 6 x 1
= 40 + 6
= 46
(d)
1 tens 20 ones
= 1 x 10 + 20 x 1
= 10 + 20
= 30
Answer(s): 45, 90, 46, 30