Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 51 ones = _____
- 8 tens = _____
- 3 tens 3 ones = _____
- 3 tens 11 ones = _____
(a)
51 ones
= 51 x 1
= 51
(b)
8 tens
= 8 x 10
= 80
(c)
3 tens 3 ones
= 3 x 10 + 3 x 1
= 30 + 3
= 33
(d)
3 tens 11 ones
= 3 x 10 + 11 x 1
= 30 + 11
= 41
Answer(s): 51, 80, 33, 41