Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 6 tens + 9 = _____
- 8 hundreds + 7 = _____
- 3 hundreds + 5 tens = _____
- 90 tens + 48 tens = _____
(a)
6 tens + 9 = 60 + 9 = 48
(b)
8 hundreds + 7 = 800 + 7 = 807
(c)
3 hundreds + 5 tens = 300 + 50 = 350
(d)
90 tens + 48 tens = 900 + 480 = 1380
Answer(s): 69, 807, 350, 1380