Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 74 ones = _____
- 7 tens = _____
- 2 tens 3 ones = _____
- 5 tens 15 ones = _____
(a)
74 ones
= 74 x 1
= 74
(b)
7 tens
= 7 x 10
= 70
(c)
2 tens 3 ones
= 2 x 10 + 3 x 1
= 20 + 3
= 23
(d)
5 tens 15 ones
= 5 x 10 + 15 x 1
= 50 + 15
= 65
Answer(s): 74, 70, 23, 65