Equations
order of operations
Ratios
decimals
fractions
100
Jane spent $42 for shoes. This was $14 less than twice what she spent for a blouse. How much was the blouse?
28
100
4+2
6
100
4 girls and 6 boys are going to a party, what is the ratio of boys to girls
4g
6b
100
7.16+3.14
10.3
100
3/4 * 8/3
1/2
200
There are b boys in the class. This is three more than four times the number of girls. How many girls are in the class?
b − 3
4
200
9-3
6
200
5 bald people to 6 butter
5op
6b
200
3.14. 2
6.28
200
1/2.2/3
1/3
300
The sum of two numbers is 84, and one of them is 12 more than the other. What are the two numbers?
| 2x | = | 84 − 12 |
| = | 72. | |
| x | = | 72 2 |
| = | 36. | |
300
43+13
56
300
6 footballs to 6 soccer balls
6fb
6sb
300
1.5+1.5
3.0
300
1/6.1/5
1/30
400
The sum of two consecutive numbers is 37. What are they?
= 37
| 2x | = | 37 − 1 |
| = | 36. | |
| x | = | 36 2 |
| = | 18. | |
400
89*51
4,539
400
4 cars to 3 motorcycles
4c
3b
400
3.1-1.2
1.9
400
1/2.1/3
1/6
500
One number is 10 more than another. The sum of twice the smaller plus three times the larger, is 55. What are the two numbers?
| 2x + 3(x + 10) | = | 55. |
| 2x + 3x + 30 | = | 55 . |
| 5x | = | 55 − 30 = 25. |
| x | = | 5. |
500
4539/51
89
500
9 people to 6 cars
9p
6c
500
3.4+1.4
4.8
500
1/4.1/3
1/12