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Online Math Solver

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 Dependent Variable

 Number of inequalities to solve: 23456789
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# Fractions and Ratios

Do-Anytime Activities

To work with your child on the key concepts, try these rewarding activities.

1. Ask your child to measure the lengths of two objects using a ruler. Then ask him or
her to calculate the sum and difference of their lengths .

2. Ask your child to explain how to use the fraction operation keys on his or her
calculator . For example, ask your child to show you how to enter fractions and mixed
numbers , simplify fractions, and convert between fractions and decimals .

3.
percents. Help your child find the sale price of an item that is discounted by a certain
percent. For example, a \$40 shirt reduced by 25% costs \$30.

As your child brings assignments home, you might want to go over the instructions
together, clarifying them as necessary. The answers listed below will guide you through

7. Sample answer: The quick common
denominator is , or .

,and .
So is greater

14. Sample answer: is half of  .
, or 0.625.

21. Sample answer: is less than

, so is less than 1.

5. Nina: ; Phillip: ; Ezra: ; Benjamin:

2. Calculated discounts: \$100.00; \$1,600.00;
\$7.84; \$0.75; \$8.70; \$5.28; \$810.00; \$385.00

1. 4;20
3. 1,200 miles
5. 16 min.
6. yes

9. Sample answer: I changed and to
fractions with a common denominator .
and . Because
is away from , and is away from .
So, is closer to .