Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3)
- 91 tens 7 ones = _____
- 70 hundreds 38 ones = _____
- 4 thousands 147 tens = _____
(a)
91 tens 7 ones
= 91 x 10 + 7 x 1
= 910 + 7
= 917
(b)
70 hundreds 38 ones
= 70 x 100 + 38 x 1
= 7000 + 38
= 7038
(c)
4 thousands 147 tens
= 4 x 1000 + 147 x 10
= 4000 + 1470
= 5470
Answer(s): 917, 7038, 5470