Multiplying Rational Numbers
abs(-4)* 5
20
-7.824 + 23.5=
15.676
38.134 – 31.9=
6.234
-10 divide -2/3
15
When you convert the fraction below into a decimal, which number is inside the division house?
8/9
8
(-5.1)(-2.78) =
14.178
-14 + -8
-22
- 20 - (-4) =
-16
-14.5 divide 2
-7.25
Only when _________ rational numbers we use "keep-change-change".
When subtracting rational numbers we use "keep-change-change".
-1/2 * 7
-3 1/2
4 + (-3 1/2)
1/2
-3 3/4 - (-1/2)
-3 1/4
634 divide -4
-158.5
When adding two numbers of different signs we _______ the numbers and take the sign of the ________.
subtract & larger
(-79.3)(3) =
-237.9
–33 + -4.5
-37.5
–3.37 – 9.668
-13.038
632.44/-5
-126.488
Two types of rational decimals are ________ and _________.
repeating and terminating
-3 1/4 * -8/9
2 8/9
2 1/2 + (-6 2/3)
-4 1/6
5/6 - (-5 1/3)
6 1/6
-5/6 divide 1/3
-2 1/2
When adding and subtracting fractions, you need ____________.
When dividing fractions, you need to ______, _______, _______.
When you have a complex fraction, you first _________.
common denominators
keep, change, flip
Change the problem using a dividing symbol, not a fraction bar.