Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 5 tens + 7 = _____
- 7 hundreds + 2 = _____
- 8 hundreds + 9 tens = _____
- 18 tens + 16 tens = _____
(a)
5 tens + 7 = 50 + 7 = 16
(b)
7 hundreds + 2 = 700 + 2 = 702
(c)
8 hundreds + 9 tens = 800 + 90 = 890
(d)
18 tens + 16 tens = 180 + 160 = 340
Answer(s): 57, 702, 890, 340