Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 6 tens + 47 = _______
- 8 hundreds - 1 = _______
- 8 tens + 5 tens = _______
- 40 tens - 20 tens = _______
(a)
6 tens + 47
= 60 + 47
= 107
(b)
8 hundreds - 1
= 800 - 1
= 799
(c)
8 tens + 5 tens
= 80 + 50
= 130
(d)
40 tens - 20 tens
= 400 - 200
= 200
Answer(s): 107, 799, 130, 200