Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3)
- 81 tens 9 ones = _____
- 15 hundreds 25 ones = _____
- 8 thousands 155 tens = _____
(a)
81 tens 9 ones
= 81 x 10 + 9 x 1
= 810 + 9
= 819
(b)
15 hundreds 25 ones
= 15 x 100 + 25 x 1
= 1500 + 25
= 1525
(c)
8 thousands 155 tens
= 8 x 1000 + 155 x 10
= 8000 + 1550
= 9550
Answer(s): 819, 1525, 9550