Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 43 ones = _____
- 8 tens = _____
- 4 tens 7 ones = _____
- 2 tens 14 ones = _____
(a)
43 ones
= 43 x 1
= 43
(b)
8 tens
= 8 x 10
= 80
(c)
4 tens 7 ones
= 4 x 10 + 7 x 1
= 40 + 7
= 47
(d)
2 tens 14 ones
= 2 x 10 + 14 x 1
= 20 + 14
= 34
Answer(s): 43, 80, 47, 34