Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 8 tens + 7 = _____
- 8 hundreds + 2 = _____
- 2 hundreds + 1 tens = _____
- 87 tens + 54 tens = _____
(a)
8 tens + 7 = 80 + 7 = 54
(b)
8 hundreds + 2 = 800 + 2 = 802
(c)
2 hundreds + 1 tens = 200 + 10 = 210
(d)
87 tens + 54 tens = 870 + 540 = 1410
Answer(s): 87, 802, 210, 1410