Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3)
- 79 tens 4 ones = _____
- 72 hundreds 70 ones = _____
- 8 thousands 170 tens = _____
(a)
79 tens 4 ones
= 79 x 10 + 4 x 1
= 790 + 4
= 794
(b)
72 hundreds 70 ones
= 72 x 100 + 70 x 1
= 7200 + 70
= 7270
(c)
8 thousands 170 tens
= 8 x 1000 + 170 x 10
= 8000 + 1700
= 9700
Answer(s): 794, 7270, 9700