Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3)
- 52 tens 3 ones = _____
- 81 hundreds 23 ones = _____
- 3 thousands 112 tens = _____
(a)
52 tens 3 ones
= 52 x 10 + 3 x 1
= 520 + 3
= 523
(b)
81 hundreds 23 ones
= 81 x 100 + 23 x 1
= 8100 + 23
= 8123
(c)
3 thousands 112 tens
= 3 x 1000 + 112 x 10
= 3000 + 1120
= 4120
Answer(s): 523, 8123, 4120