multiplying signed numbers
adding signed numbers
finding values of missing variables
order of operations
random
100
-10 x 5=
-50
100
-3 + 5
2
100
6
100
2(-2)+5(2)
6
100
are these fractions proportional?
3/4 and 6/8
how and why?
yes because they both equal 0.75 or when you cross multiply you get 24=24
200
-7 x -2
14
200
10 + -6
4
200
-4
200
-5(2)+3=
-7
200
A slime recipe calls for 2/3 cup of glue and 1/2 teaspoon of baking soda. What is the ratio of baking soda to glue?
3/4
300
30 x -3=
-90
300
-11+ -9
-20
300
7x=56
8
300
3(-2)2
12
300
How do you know when a graph has a proportional relationship?
Hint two things
straight line
starts at (0,0)
400
100 x -10
-1000
400
-10+ 4=
-6
400
x/3 =15
30
400
2(3+3)+2(2)2
20
400
What is the unit rate of 3 feet/ 6 seconds
0.5 feet per seconds
500
-5 x -2 x -3 =
-30
500
-130 + -5
-135
500
x/3=8/4
6
500
2(-3)2+2
20
500
134-(-20)=
154