Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 12 ones = _____
- 5 tens = _____
- 2 tens 3 ones = _____
- 6 tens 10 ones = _____
(a)
12 ones
= 12 x 1
= 12
(b)
5 tens
= 5 x 10
= 50
(c)
2 tens 3 ones
= 2 x 10 + 3 x 1
= 20 + 3
= 23
(d)
6 tens 10 ones
= 6 x 10 + 10 x 1
= 60 + 10
= 70
Answer(s): 12, 50, 23, 70