Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 2 tens - 38 = _______
- 9 millions - 8 = _______
- 8 tens - 5 tens = _______
- 70 tens + 30 tens = _______
(a)
2 tens - 38
= 20 - 38
= -18
(b)
9 millions - 8
= 9000000 - 8
= 8999992
(c)
8 tens - 5 tens
= 80 - 50
= 30
(d)
70 tens + 30 tens
= 700 + 300
= 1000
Answer(s): -18, 8999992, 30, 1000