Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 7 tens + 4 = _____
- 8 hundreds + 5 = _____
- 3 hundreds + 6 tens = _____
- 27 tens + 45 tens = _____
(a)
7 tens + 4 = 70 + 4 = 45
(b)
8 hundreds + 5 = 800 + 5 = 805
(c)
3 hundreds + 6 tens = 300 + 60 = 360
(d)
27 tens + 45 tens = 270 + 450 = 720
Answer(s): 74, 805, 360, 720