Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3)
- 73 tens 9 ones = _____
- 87 hundreds 18 ones = _____
- 9 thousands 115 tens = _____
(a)
73 tens 9 ones
= 73 x 10 + 9 x 1
= 730 + 9
= 739
(b)
87 hundreds 18 ones
= 87 x 100 + 18 x 1
= 8700 + 18
= 8718
(c)
9 thousands 115 tens
= 9 x 1000 + 115 x 10
= 9000 + 1150
= 10150
Answer(s): 739, 8718, 10150