Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3)
- 80 tens 8 ones = _____
- 31 hundreds 54 ones = _____
- 7 thousands 179 tens = _____
(a)
80 tens 8 ones
= 80 x 10 + 8 x 1
= 800 + 8
= 808
(b)
31 hundreds 54 ones
= 31 x 100 + 54 x 1
= 3100 + 54
= 3154
(c)
7 thousands 179 tens
= 7 x 1000 + 179 x 10
= 7000 + 1790
= 8790
Answer(s): 808, 3154, 8790