Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 35 ones = _____
- 7 tens = _____
- 2 tens 7 ones = _____
- 7 tens 15 ones = _____
(a)
35 ones
= 35 x 1
= 35
(b)
7 tens
= 7 x 10
= 70
(c)
2 tens 7 ones
= 2 x 10 + 7 x 1
= 20 + 7
= 27
(d)
7 tens 15 ones
= 7 x 10 + 15 x 1
= 70 + 15
= 85
Answer(s): 35, 70, 27, 85