Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 19 ones = _____
- 5 tens = _____
- 2 tens 1 ones = _____
- 7 tens 14 ones = _____
(a)
19 ones
= 19 x 1
= 19
(b)
5 tens
= 5 x 10
= 50
(c)
2 tens 1 ones
= 2 x 10 + 1 x 1
= 20 + 1
= 21
(d)
7 tens 14 ones
= 7 x 10 + 14 x 1
= 70 + 14
= 84
Answer(s): 19, 50, 21, 84