Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 29 ones = _____
- 7 tens = _____
- 4 tens 3 ones = _____
- 5 tens 15 ones = _____
(a)
29 ones
= 29 x 1
= 29
(b)
7 tens
= 7 x 10
= 70
(c)
4 tens 3 ones
= 4 x 10 + 3 x 1
= 40 + 3
= 43
(d)
5 tens 15 ones
= 5 x 10 + 15 x 1
= 50 + 15
= 65
Answer(s): 29, 70, 43, 65