Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 7 tens + 56 = _______
- 5 thousands - 1 = _______
- 7 tens + 3 tens = _______
- 90 tens - 70 tens = _______
(a)
7 tens + 56
= 70 + 56
= 126
(b)
5 thousands - 1
= 5000 - 1
= 4999
(c)
7 tens + 3 tens
= 70 + 30
= 100
(d)
90 tens - 70 tens
= 900 - 700
= 200
Answer(s): 126, 4999, 100, 200