Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 9 tens + 8 = _____
- 5 hundreds + 7 = _____
- 3 hundreds + 8 tens = _____
- 35 tens + 39 tens = _____
(a)
9 tens + 8 = 90 + 8 = 39
(b)
5 hundreds + 7 = 500 + 7 = 507
(c)
3 hundreds + 8 tens = 300 + 80 = 380
(d)
35 tens + 39 tens = 350 + 390 = 740
Answer(s): 98, 507, 380, 740