Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 17 ones = _____
- 8 tens = _____
- 4 tens 3 ones = _____
- 9 tens 13 ones = _____
(a)
17 ones
= 17 x 1
= 17
(b)
8 tens
= 8 x 10
= 80
(c)
4 tens 3 ones
= 4 x 10 + 3 x 1
= 40 + 3
= 43
(d)
9 tens 13 ones
= 9 x 10 + 13 x 1
= 90 + 13
= 103
Answer(s): 17, 80, 43, 103