Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 52 ones = _____
- 8 tens = _____
- 4 tens 7 ones = _____
- 8 tens 13 ones = _____
(a)
52 ones
= 52 x 1
= 52
(b)
8 tens
= 8 x 10
= 80
(c)
4 tens 7 ones
= 4 x 10 + 7 x 1
= 40 + 7
= 47
(d)
8 tens 13 ones
= 8 x 10 + 13 x 1
= 80 + 13
= 93
Answer(s): 52, 80, 47, 93