Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 8 tens + 4 = _____
- 4 hundreds + 9 = _____
- 5 hundreds + 7 tens = _____
- 74 tens + 74 tens = _____
(a)
8 tens + 4 = 80 + 4 = 74
(b)
4 hundreds + 9 = 400 + 9 = 409
(c)
5 hundreds + 7 tens = 500 + 70 = 570
(d)
74 tens + 74 tens = 740 + 740 = 1480
Answer(s): 84, 409, 570, 1480