Fraction operations
1/2 - 3/4 =
2/4 - 3/4 =
-1/4
612.532 + 446.22
1,058.752
4x − 3y − 9x + 5y
−5x + 2y
What is a y-intercept?
The point where a line crosses the y-axis.
If a moped travels at a speed of 30km/hr, how far can it travel in 4 hours?
What is 120km?
1/2 ÷ 1/4 =
1/2 * 4/1 =
4/2 =
2
What are the Factors of 45
1*45
3*15
5*9
1,3,5,9,15, and 45
Solve: (−3) ∗ (−11) =
What is 33?
What can be found by:
"change in y"/"change in x"
What is the Slope?
What word ratio do we use to remember the Slope of a line?
"What is " "rise"/"run"?
1/2 * 2/3 =
2/6 =
1/3
4,826 x .09
434.34
Solve: (y+6)/-2 = -10
What is y=14?
What is the slope of y=7x+12?
What is 7?
A pair of binoculars is discounted by 20% of the original price. Now they cost $48.
What was the Original Price?
0.8 P= $48
P=$60
Use <,>,or = to compare:
4/7 ___ 5/8
What is <?
3 xx 10^7
30,000,000
Solve for x:
2(x+7) = 3(6-x)
distrubute:
2x+14 = 18-3x
5x=4
X= 4/5
What is the y-intercept of:
y=3/5x -17?
What is -17?
Lily paid $6 for 3/8 Lb of nuts.
Write a unit rate as a complex fraction, then simplify. Be sure to include units.
What is $16/Lb
A chocolate bar costs 65 pennies. How is 65 pennies represented as a decimal and fraction?
0.65 and 65/100
Amanda is serving peach cobbler to her friends. She serves 4/12 of the pie. What fraction is left?
8/12 = 2/3
Daniel has a collection of 7,442 stamps. He has 2,500 more stamps than Jennifer. How many stamps do they have altogether?
12,384 stamps
Graph any line with a slope of -2/3.
(show me on paper or white board)
Check sketch
Ryan walked 2-1/2 miles in 3/4 of an hour. Write a unit rate as a complex fraction, then simplify it.
Final answer units should be miles/hour.
What is 3-1/3 miles/hour?