Numerical expressions

Lina buys a hamburger for $2.96 and a milkshake for $4.06. She pays with a $20 bill. What is a reasonable estimate for how much change she should get back?

Tags

CCSS.3.OA.D.8

CCSS.4.OA.A.3

CCSS.7.EE.B.3

Jean bought 2 books to read while on vacation. The first book cost $15.45 and the second book cost $9.87. About how much did Jean spend on her new books?

• less than $24

• between $24 and $25

• between $25 and $26

• more than $26

Tags

CCSS.3.OA.D.8

CCSS.4.OA.A.3

CCSS.7.EE.B.3

Janet can read 3.6 pages of a book in a minute. If she read for 2.71 minutes, how much would she have read?

Select all that apply

• approximately 97 pages

• approximately 10 pages

• approximately 100 pages

• exactly 9.756 pages

Tags

CCSS.3.OA.D.8

CCSS.4.OA.A.3

CCSS.7.EE.B.3

Nigel ran an errand for his father. He needed potatoes, beans, and bread. Potatoes are $3.28. Baked beans are $1.78. Bread is $3.99. He went in with a 20 dollar bill. About how much change will he receive?

• $ 11

• $ 9

• . $ 13

• $ 29

Tags

CCSS.3.OA.D.8

CCSS.4.OA.A.3

CCSS.7.EE.B.3

Estimate the sum or difference by replacing each fraction with 0, 1/2, or 1.
7/8 - 7/9

• 0
• 1/2
• 1
• 1 1/2

Tags

CCSS.3.OA.D.8

CCSS.4.OA.A.3

CCSS.7.EE.B.3

Tina had $167.98 worth of items in her shopping cart at Spend Mart. Before checking out, she decided to return to the shelves a novel that cost $6.99, a blender that cost $27.22, and a pair of shorts that cost $12.76. Which is the best estimate of the amount of money that Tina spent not including tax?

• $50

• $120

• $130

• $160

Tags

CCSS.3.OA.D.8

CCSS.4.OA.A.3

CCSS.7.EE.B.3

A patio is rectangular. Its length is 8.39 meters, and its width is 5.4 meters. What is the approximate perimeter of the patio? Round your answer to the nearest whole number.

Tags

CCSS.3.OA.D.8

CCSS.4.OA.A.3

CCSS.7.EE.B.3

Jesus has 12 6/7 feet of yarn. Jenny has 11.5 feet of yarn. What is the best estimate of the amount of yarn Jesus and Jenny have altogether?

• 24 1/2

• 23

• 25

• 23 1/2

Tags

CCSS.3.OA.D.8

CCSS.4.OA.A.3

CCSS.7.EE.B.3

Stephanie has 3 3/4 bags of soil to put in her garden. Each bag of soil will cover 125.6 square feet. How many square feet will Stephanie be able to cover if she uses all these bags of soil?

• about 33.5 square feet

• about 500 square feet

• about 0.03 square feet

• about 470 square feet

Tags

CCSS.3.OA.D.8

CCSS.4.OA.A.3

CCSS.7.EE.B.3

A mathematician simplifies the expression mentally.

5(-7.9) - 6.9(-12 - 44)

What is the best estimate of the value of the expression?

• -425

• -350

• 350

• 425

Tags

CCSS.3.OA.D.8

CCSS.4.OA.A.3

CCSS.7.EE.B.3