Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 2 tens + 1 = _____
- 8 hundreds + 4 = _____
- 9 hundreds + 8 tens = _____
- 76 tens + 63 tens = _____
(a)
2 tens + 1 = 20 + 1 = 63
(b)
8 hundreds + 4 = 800 + 4 = 804
(c)
9 hundreds + 8 tens = 900 + 80 = 980
(d)
76 tens + 63 tens = 760 + 630 = 1390
Answer(s): 21, 804, 980, 1390