Grade 4: Estimating Products & Area Models in Multiplication

A garden has 12 rows of flowers, and each row has 15 flowers. How many flowers are there in total? Use an area model to help you visualize the multiplication.

• 150

• 200

• 120

• 180

A box contains 24 packs of crayons, and each pack has 36 crayons. Estimate how many crayons are in the box by rounding the numbers before multiplying.

• 800 crayons

• 1000 crayons

• 600 crayons

• 1200 crayons

A school is organizing a field trip for 48 students. If each bus can hold 12 students, how many buses are needed? Use an area model to solve the problem.

• 5

• 6

• 4

• 3

A bakery makes 25 loaves of bread each day. How many loaves does the bakery make in 7 days? Estimate the total by rounding the number of loaves per day.

• 150 loaves

• 175 loaves

• 210 loaves

• 200 loaves

A farmer has 14 apple trees, and each tree produces about 18 apples. How many apples does the farmer expect to harvest? Use an area model to find the answer.

• 216

• 180

• 300

• 252

A toy store sells 36 toy cars in a week. If each toy car costs $15, how much money does the store make from selling the toy cars? Estimate the total sales by rounding the price.

• $540

• $600

• $300

• $450

A classroom has 9 tables, and each table can seat 6 students. How many students can be seated in total? Use an area model to visualize the multiplication.

• 72 students

• 45 students

• 36 students

• 54 students

A library has 45 boxes of books, and each box contains 20 books. How many books are there in total? Estimate the total number of books by rounding the numbers.

• 1100

• 800

• 900

• 1000

A pizza shop sells 8 different types of pizzas. If each type has 12 slices, how many slices of pizza are there in total? Use an area model to help you solve this problem.

• 96 slices

• 72 slices

• 84 slices

• 100 slices

A concert hall has 25 rows of seats, and each row has 18 seats. How many seats are there in total? Estimate the total number of seats by rounding the numbers.

• 500

• 400

• 600

• 450