Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 2 tens + 1 = _____
- 5 hundreds + 4 = _____
- 7 hundreds + 6 tens = _____
- 84 tens + 85 tens = _____
(a)
2 tens + 1 = 20 + 1 = 85
(b)
5 hundreds + 4 = 500 + 4 = 504
(c)
7 hundreds + 6 tens = 700 + 60 = 760
(d)
84 tens + 85 tens = 840 + 850 = 1690
Answer(s): 21, 504, 760, 1690