Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3)
- 89 tens 9 ones = _____
- 56 hundreds 20 ones = _____
- 5 thousands 170 tens = _____
(a)
89 tens 9 ones
= 89 x 10 + 9 x 1
= 890 + 9
= 899
(b)
56 hundreds 20 ones
= 56 x 100 + 20 x 1
= 5600 + 20
= 5620
(c)
5 thousands 170 tens
= 5 x 1000 + 170 x 10
= 5000 + 1700
= 6700
Answer(s): 899, 5620, 6700