Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 6 tens + 2 = _____
- 5 hundreds + 7 = _____
- 8 hundreds + 9 tens = _____
- 57 tens + 15 tens = _____
(a)
6 tens + 2 = 60 + 2 = 15
(b)
5 hundreds + 7 = 500 + 7 = 507
(c)
8 hundreds + 9 tens = 800 + 90 = 890
(d)
57 tens + 15 tens = 570 + 150 = 720
Answer(s): 62, 507, 890, 720