Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 8 tens + 1 = _____
- 5 hundreds + 5 = _____
- 5 hundreds + 4 tens = _____
- 26 tens + 38 tens = _____
(a)
8 tens + 1 = 80 + 1 = 38
(b)
5 hundreds + 5 = 500 + 5 = 505
(c)
5 hundreds + 4 tens = 500 + 40 = 540
(d)
26 tens + 38 tens = 260 + 380 = 640
Answer(s): 81, 505, 540, 640