Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 5 tens + 9 = _____
- 3 hundreds + 8 = _____
- 8 hundreds + 3 tens = _____
- 81 tens + 85 tens = _____
(a)
5 tens + 9 = 50 + 9 = 85
(b)
3 hundreds + 8 = 300 + 8 = 308
(c)
8 hundreds + 3 tens = 800 + 30 = 830
(d)
81 tens + 85 tens = 810 + 850 = 1660
Answer(s): 59, 308, 830, 1660