Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3)
- 82 tens 9 ones = _____
- 71 hundreds 43 ones = _____
- 4 thousands 147 tens = _____
(a)
82 tens 9 ones
= 82 x 10 + 9 x 1
= 820 + 9
= 829
(b)
71 hundreds 43 ones
= 71 x 100 + 43 x 1
= 7100 + 43
= 7143
(c)
4 thousands 147 tens
= 4 x 1000 + 147 x 10
= 4000 + 1470
= 5470
Answer(s): 829, 7143, 5470