Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 4 tens + 8 = _____
- 4 hundreds + 4 = _____
- 6 hundreds + 9 tens = _____
- 99 tens + 29 tens = _____
(a)
4 tens + 8 = 40 + 8 = 29
(b)
4 hundreds + 4 = 400 + 4 = 404
(c)
6 hundreds + 9 tens = 600 + 90 = 690
(d)
99 tens + 29 tens = 990 + 290 = 1280
Answer(s): 48, 404, 690, 1280