Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 82 ones = _____
- 6 tens = _____
- 4 tens 7 ones = _____
- 9 tens 17 ones = _____
(a)
82 ones
= 82 x 1
= 82
(b)
6 tens
= 6 x 10
= 60
(c)
4 tens 7 ones
= 4 x 10 + 7 x 1
= 40 + 7
= 47
(d)
9 tens 17 ones
= 9 x 10 + 17 x 1
= 90 + 17
= 107
Answer(s): 82, 60, 47, 107