3rd Grade Benchmark Review

Mr. Hastings wants to split his class of 30 students into 5 equal groups. Which of the following should he use to find the number of students in each group?

• Subtraction

• Addition

• Multiplication

• Division

Patricia took a survey of the color of the tops the students in her class wore today. She recorded her results in the bar graph above.

Patricia also recorded her results as a pictograph.

Which of the following pictographs shows Patricia's results?

Patricia also recorded her results as a pictograph. Which of the following pictographs shows Patricia's results?

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If □÷3=6, what is another number sentence that gives the same answer for □ ?

• 2×8=□

• 2×9=□

• 3×7=□

• 3×8=□

Rebecca made the array above to solve her math partner's story problem.

Which story problem was Rebecca solving?

• Jessica has a tray with 42 cookies arranged in rows. There are 6 rows of cookies. How many cookies are in each row?

• Jessica has a tray with 64 cookies arranged in rows. There are 8 cookies in each row. How many rows of cookies are there?

• Jessica has a tray of cookies with 8 rows of cookies. There are 8 cookies in each row. How many cookies does Jessica have?

• Jessica has a tray of cookies with 6 rows of cookies. There are 8 cookies in each row. How many cookies does Jessica have?

Miguel is multiplying the numbers 2, 5, and 6. He uses the equation below:

2 × 5 × 6 = 60

Miguel thinks that he can change the order of the factors and still get the same product.

Choose ALL different equations using the numbers 2, 5, and 6 that show that Miguel can change the order of the factors and get the same product.

• 2 = 5 × 6 × 60

• 6 × 5 × 2 = 60

• 60 = 5 × 2 × 6

• 60 × 5 = 2 × 6

Look at the equation below.

6×□=48

Which statement tells how to find the value that belongs in the □?

• Divide 48 by 6 to get 8.

• Multiply 48 by 6 to get 248.

• Multiply 48 by 6 to get 288.

• Divide 48 by 6 to get 9.

Choose all the problems that the picture can help to answer.

• 7×7=□

• 28÷4=□

• 28÷7=□

• 28÷□=4

• 7÷□=28

There are 21 students who are divided into 3 teams for an outdoor game. Catie wrote the division sentence below to show how many students are on each team.

21÷□=3

Which number sentence can be used to find the number of students on each team?

• 21−3=□

• 3+□=21

• □÷3=21

• 3×□=21

What number should go in the box to make the number sentence true?

9 × 10 = 90

90 × 10 = □

• 80

• 100

• 900

• 910

Which is the correct way to solve this number sentence?

4×2×5=?

• First multiply 4×5. Then multiply 2×5 and add together the products 20+10=30.

• First multiply 4×2. Then multiply 4×5 and add together the products, 8+20=28 .

• First, multiply 2×5.Then add 4 to the product, 10+4=14.

• First multiply 4×2. Then multiply 8×5 to get 40.