Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3)
- 18 tens 7 ones = _____
- 63 hundreds 45 ones = _____
- 3 thousands 158 tens = _____
(a)
18 tens 7 ones
= 18 x 10 + 7 x 1
= 180 + 7
= 187
(b)
63 hundreds 45 ones
= 63 x 100 + 45 x 1
= 6300 + 45
= 6345
(c)
3 thousands 158 tens
= 3 x 1000 + 158 x 10
= 3000 + 1580
= 4580
Answer(s): 187, 6345, 4580