Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 8 tens + 8 = _____
- 6 hundreds + 9 = _____
- 7 hundreds + 8 tens = _____
- 45 tens + 59 tens = _____
(a)
8 tens + 8 = 80 + 8 = 59
(b)
6 hundreds + 9 = 600 + 9 = 609
(c)
7 hundreds + 8 tens = 700 + 80 = 780
(d)
45 tens + 59 tens = 450 + 590 = 1040
Answer(s): 88, 609, 780, 1040