Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 4 hundreds + 40 = _______
- 4 tens - 1 = _______
- 9 hundreds + 3 hundreds = _______
- 30 hundreds - 10 hundreds = _______
(a)
4 hundreds + 40
= 400 + 40
= 440
(b)
4 tens - 1
= 40 - 1
= 39
(c)
9 hundreds + 3 hundreds
= 900 + 300
= 1200
(d)
30 hundreds - 10 hundreds
= 3000 - 1000
= 2000
Answer(s): 440, 39, 1200, 2000