Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3)
- 47 tens 9 ones = _____
- 47 hundreds 72 ones = _____
- 8 thousands 123 tens = _____
(a)
47 tens 9 ones
= 47 x 10 + 9 x 1
= 470 + 9
= 479
(b)
47 hundreds 72 ones
= 47 x 100 + 72 x 1
= 4700 + 72
= 4772
(c)
8 thousands 123 tens
= 8 x 1000 + 123 x 10
= 8000 + 1230
= 9230
Answer(s): 479, 4772, 9230