Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 3 tens + 2 = _____
- 8 hundreds + 4 = _____
- 5 hundreds + 8 tens = _____
- 51 tens + 17 tens = _____
(a)
3 tens + 2 = 30 + 2 = 17
(b)
8 hundreds + 4 = 800 + 4 = 804
(c)
5 hundreds + 8 tens = 500 + 80 = 580
(d)
51 tens + 17 tens = 510 + 170 = 680
Answer(s): 32, 804, 580, 680