Homework Explained - Math Practice 101

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Chapter 4: Multiply and Divide Fractions;Lesson 1: Estimate Products of Fractions

Estimate each product. Use a bar diagram if needed.

• Question 1
•  $$\large \frac{1}{4}\times21\approx$$
• Question 2
•  $$\large \frac{5}{7}\text{ of }22\approx$$
• Question 3
•  $$\large \frac{5}{7}\times\frac{1}{9}\approx$$
• Question 4
•  $$\large 4\frac{1}{3}\times2\frac{3}{4}\approx$$
• Question 5

Cyrus is inviting 11 friends over for pizza. He would like to have enough pizza so each friend can have $$\frac{1}{4}$$ of a pizza. About how many pizzas should he order?

• Question 6

Hakeem's front porch measures $$9\frac{3}{4}$$ feet by 4 feet. Estimate the area of his front porch.

a. If each bag holds $$3\frac{3}{4}$$ pounds, estimate how many pounds of birdseed Elisa, Luis, and Dwayne purchased.
b. Suppose each bag costs $14.99. Estimate the total cost of 5 bags. •  about$