Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 58 ones = _____
- 7 tens = _____
- 2 tens 2 ones = _____
- 7 tens 13 ones = _____
(a)
58 ones
= 58 x 1
= 58
(b)
7 tens
= 7 x 10
= 70
(c)
2 tens 2 ones
= 2 x 10 + 2 x 1
= 20 + 2
= 22
(d)
7 tens 13 ones
= 7 x 10 + 13 x 1
= 70 + 13
= 83
Answer(s): 58, 70, 22, 83