Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 9 tens + 1 = _____
- 4 hundreds + 7 = _____
- 7 hundreds + 2 tens = _____
- 41 tens + 69 tens = _____
(a)
9 tens + 1 = 90 + 1 = 69
(b)
4 hundreds + 7 = 400 + 7 = 407
(c)
7 hundreds + 2 tens = 700 + 20 = 720
(d)
41 tens + 69 tens = 410 + 690 = 1100
Answer(s): 91, 407, 720, 1100