Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 7 tens + 7 = _____
- 5 hundreds + 5 = _____
- 2 hundreds + 8 tens = _____
- 60 tens + 85 tens = _____
(a)
7 tens + 7 = 70 + 7 = 85
(b)
5 hundreds + 5 = 500 + 5 = 505
(c)
2 hundreds + 8 tens = 200 + 80 = 280
(d)
60 tens + 85 tens = 600 + 850 = 1450
Answer(s): 77, 505, 280, 1450