Estimation

Which number would round to 60?

• 54
• 68
• 45
• 55

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Which of the following is the best estimate of the total number of Aliens attending the open house?

• 1400

• 1412

• 1350

• 1300

Mrs. Rogers grandma has $153 to share with her three granddaughters. She plans to give the same amount of money to each girl. Which of the following is the best estimate of how much money each girl will receive?

• $150

• $30

• $50

• $450

Tags

CCSS.5.NBT.B.6

Mrs. Rogers and Mr. Gilbert are competing to see who can write the most discipline referrals by the end of the year.

Mrs. Rogers wrote 10,556 referrals.

Mr. Gilbert wrote 5,417 referrals.

Which of the following is the best estimate of how many more referrals Mrs. Rogers wrote than Mr. Gilbert wrote?

• 3000

• 1500

• 1600

• 6000

Tags

CCSS.5.NBT.A.4

CCSS.5.NBT.B.7

Mr. Gilbert bought a new game system and three games. The game system was $299, and the games cost between $40 and $60. Which of the following is not a reasonable cost for the game system and the three games?

• $420

• $480

• $400

• $450

Tags

CCSS.6.EE.A.2

CCSS.6.EE.B.5

CCSS.6.EE.B.6

CCSS.6.EE.B.7

CCSS.6.EE.B.8

Lailah makes $12 an hour mowing lawns. She worked for 17 hours. Which is the best estimate of the total amount of money Lailah made?

• $400

• $30

• $200

• $100

Tags

CCSS.5.NBT.B.5

In between what two integers is the square root of 77?

• 5 and 6
• 6 and 7
• 7 and 8
• 8 and 9

Tags

CCSS.8.NS.A.2

In between what two integers is the square root of 44?

• 3 and 4
• 4 and 5
• 5 and 6
• 6 and 7

Tags

CCSS.8.NS.A.2

Which number is NOT a perfect square?

• 196
• 169
• 121
• 132

Tags

CCSS.8.EE.A.2

Estimate the square root.

• Between 4 and 5 and closer to 5

• Between 5 and 6 and closer to 6

• Between -4 and -5 and closer to -5

• Between -5 and -6 and closer to -6