Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 8 tens + 3 = _____
- 4 hundreds + 8 = _____
- 9 hundreds + 3 tens = _____
- 87 tens + 70 tens = _____
(a)
8 tens + 3 = 80 + 3 = 70
(b)
4 hundreds + 8 = 400 + 8 = 408
(c)
9 hundreds + 3 tens = 900 + 30 = 930
(d)
87 tens + 70 tens = 870 + 700 = 1570
Answer(s): 83, 408, 930, 1570