Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3)
- 28 tens 9 ones = _____
- 70 hundreds 89 ones = _____
- 8 thousands 175 tens = _____
(a)
28 tens 9 ones
= 28 x 10 + 9 x 1
= 280 + 9
= 289
(b)
70 hundreds 89 ones
= 70 x 100 + 89 x 1
= 7000 + 89
= 7089
(c)
8 thousands 175 tens
= 8 x 1000 + 175 x 10
= 8000 + 1750
= 9750
Answer(s): 289, 7089, 9750