Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3)
- 10 tens 2 ones = _____
- 99 hundreds 81 ones = _____
- 5 thousands 191 tens = _____
(a)
10 tens 2 ones
= 10 x 10 + 2 x 1
= 100 + 2
= 102
(b)
99 hundreds 81 ones
= 99 x 100 + 81 x 1
= 9900 + 81
= 9981
(c)
5 thousands 191 tens
= 5 x 1000 + 191 x 10
= 5000 + 1910
= 6910
Answer(s): 102, 9981, 6910