Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 5 tens + 2 = _____
- 2 hundreds + 7 = _____
- 3 hundreds + 3 tens = _____
- 30 tens + 19 tens = _____
(a)
5 tens + 2 = 50 + 2 = 19
(b)
2 hundreds + 7 = 200 + 7 = 207
(c)
3 hundreds + 3 tens = 300 + 30 = 330
(d)
30 tens + 19 tens = 300 + 190 = 490
Answer(s): 52, 207, 330, 490