Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3)
- 58 tens 7 ones = _____
- 81 hundreds 70 ones = _____
- 5 thousands 153 tens = _____
(a)
58 tens 7 ones
= 58 x 10 + 7 x 1
= 580 + 7
= 587
(b)
81 hundreds 70 ones
= 81 x 100 + 70 x 1
= 8100 + 70
= 8170
(c)
5 thousands 153 tens
= 5 x 1000 + 153 x 10
= 5000 + 1530
= 6530
Answer(s): 587, 8170, 6530