Algebra
Order of Operations
Word Problems
Estimation and Approximation
Ratios and Proportions
100

Ty put some marbles in a bag.  He put 5 in each bag and had three left over.  Express the total number of marbles in terms of x.

5x + 3

100

60/4/3

5

100

John is 15kg heavier than Peter.   Their total weight is 127kg. Find Peter's weight.

61kg

100

Find the value of 7,000 x 4

28,000

100

There were 35 red beads and 45 green beads.  Find the ratio of red beads to green beads.

7:9 or 7 to 9 or 7/9

200

Ty put some marbles in a bag.  He put 5 in each bag and had three left over.  If there were 17 marbles in each bag, how many marbles did Ty have in all?

88 marbles

200

72-36+12

48

200

John is 15kg heavier than Peter.   Their total weight is 127kg. Find John's weight.

76kg

200

Estimate the value of 45,627 - 7,324 by rounding to the nearest thousand.

52,000

200

There are 3 times as many girls as boys in the school choir.  What fraction of the children are boys?

1/4

300

Find the value of (4a)/3 when a=9

12

300

9 + 81 / 9

18

300

Pablo has $180 and Ryan has $150.  How much money must Pablo give Ryan so that they each will have an equal amount of money?

$15

300

12 x 3000

36,000

300

There are 3 times as many girls as boys in the school choir.  If there are 27 girls, how many children are there all together?

36 children

400
Find the value of a3-a when a=4

60

400

(13 + 7) / (9 - 4)

4

400

The total weight of James, David, and Henry is 123kg.  James is 15 kg heavier than David.  David is 3kg lighter than Henry.  Find David's weight.

35kg

400

Estimate the value of 3,782 / 4 by rounding up or down to the nearest multiple of the divisor.

900

400

Mary mixed syrup, milk, and water together at a ratio of 2:3:9 to make a special drink for her family.  If she used 6 cups of syrup, how many cups of milk will she need?

9 cups

500

Simplify:

10x + 5 - 4x - 2

6x + 3

500

(38-17) / 3 x 10

70

500

The total weight of James, David, and Henry is 123kg.  James is 15 kg heavier than David.  David is 3kg lighter than Henry.  Find James's weight.

50kg

500

Estimate the value of 2,992/38 by rounding the divisor, then rounding the dividend to the nearest multiple of the divisor.

70

500

Mary mixed syrup, milk, and water together at a ratio of 2:3:9 to make a special drink for her family.  If she used 6 cups of syrup, how many cups of the drink will she make in all?

42 cups