Go Math Grade 4 Chapter 4 Review (2023 version)

What is the result of 40 x 70 using mental math?

• Multiply 4 and 7 and add 1 zero after the product.

• Add 4 and 7 and add 2 zeros after the sum.

• Multiply 4 and 7 and add 2 zeros after the product.

• Multiply 4 and 7.

Tags

CCSS.3.NBT.A.3

Select Yes or No to show if the equation is correct: 45 x 20 = 900

• Yes

• No

Tags

CCSS.4.NBT.B.5

Select Yes or No to show if the equation is correct: 15 x 90 = 1,350

• Yes

• No

Tags

CCSS.4.NBT.B.5

Ms. Green's class is planning a trip to the zoo. The cost is $30 per student, and Ms. Green goes for free. There are 20 students in her class. Ms. Green estimates the total cost to be around $650. Which statement is true?

• She is correct because 20 rounds to 20 and $30 rounds to $30; 20 x $30 = $600, $600 is close to $650.

• She is incorrect because 20 rounds to 20 and $30 rounds to $40; 20 x $40 = $800

Tags

CCSS.4.NBT.B.5

There are 15 classes in the fifth grade. Each class has 28 students. Write a number sentence (equation) that will provide a reasonable estimate for the number of students in the fifth grade.

• 15 x 28 = 420

• 15 + 28 = 43

• 15 x 30 = 450

• 20 x 28 = 560

Tags

CCSS.3.OA.A.1

CCSS.3.OA.A.3

CCSS.3.OA.B.5

CCSS.3.OA.C.7

Emma has 30 stickers. Lily has 15 times as many stickers as Emma. How many stickers does Lily have?

• 450

• 30

• 400

• 480

Tags

CCSS.4.OA.A.2

The school principal decides to buy 5 new projectors for each classroom. There are 4 classrooms in the school. Each new projector costs $120. Calculate the total cost for the new projectors.

• $2,400

• $2,200

• $2,500

• $2,000

Tags

CCSS.3.OA.D.8

The product of two 2-digit numbers is 1800. What are two possible factors used?

• 45 and 40

• 60 and 30

• 75 and 24

• 90 and 20

Tags

CCSS.4.OA.B.4

John uses partial products to calculate 34 x 19. Which equation represents the partial products and the solution to John's multiplication problem? Hint: Draw an area model on your paper.

• 300 + 60 + 4 + 9 = 373

• 600 + 120 + 30 + 6 = 756

• 600 + 30 + 40 + 9 = 679

• 300 + 120 + 30 + 6 = 456

Tags

CCSS.4.NBT.B.5

Emma is buying 54 packs of pencils, each containing 38 pencils. How many pencils does she have in total?

• 2052

• 1932

• 2042

• 2022

Tags

CCSS.5.NBT.B.5