Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 70 ones = _____
- 8 tens = _____
- 2 tens 6 ones = _____
- 9 tens 15 ones = _____
(a)
70 ones
= 70 x 1
= 70
(b)
8 tens
= 8 x 10
= 80
(c)
2 tens 6 ones
= 2 x 10 + 6 x 1
= 20 + 6
= 26
(d)
9 tens 15 ones
= 9 x 10 + 15 x 1
= 90 + 15
= 105
Answer(s): 70, 80, 26, 105