Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 9 tens + 8 = _____
- 2 hundreds + 8 = _____
- 5 hundreds + 7 tens = _____
- 89 tens + 54 tens = _____
(a)
9 tens + 8 = 90 + 8 = 54
(b)
2 hundreds + 8 = 200 + 8 = 208
(c)
5 hundreds + 7 tens = 500 + 70 = 570
(d)
89 tens + 54 tens = 890 + 540 = 1430
Answer(s): 98, 208, 570, 1430