Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3)
- 42 tens 2 ones = _____
- 12 hundreds 39 ones = _____
- 8 thousands 190 tens = _____
(a)
42 tens 2 ones
= 42 x 10 + 2 x 1
= 420 + 2
= 422
(b)
12 hundreds 39 ones
= 12 x 100 + 39 x 1
= 1200 + 39
= 1239
(c)
8 thousands 190 tens
= 8 x 1000 + 190 x 10
= 8000 + 1900
= 9900
Answer(s): 422, 1239, 9900