Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 19 ones = _____
- 6 tens = _____
- 4 tens 2 ones = _____
- 7 tens 15 ones = _____
(a)
19 ones
= 19 x 1
= 19
(b)
6 tens
= 6 x 10
= 60
(c)
4 tens 2 ones
= 4 x 10 + 2 x 1
= 40 + 2
= 42
(d)
7 tens 15 ones
= 7 x 10 + 15 x 1
= 70 + 15
= 85
Answer(s): 19, 60, 42, 85