Selecting Tools and Techniques to Solve Problems

____________________is a way of doing math in my head.

• estimate

• regroup

• mental math

• pattern

Tags

CCSS.3.OA.D.8

The process of finding a solution.

• solve

• expression

• sum

• median

Tags

CCSS.6.EE.B.5

CCSS.6.EE.B.6

• $20

• $30

• $40

• $50

Emma has 22 stickers. She gives 8 stickers to her friend and receives 5 more stickers from her brother. How many stickers does Emma have now?

• 18

• 19

• 20

• 21

Jaxson is organizing a city carnival and needs to estimate the number of balloons he needs. He found a supplier who can provide a pack of balloons that contains 927 balloons and he thinks he will need about 516 packs. Estimate the numbers to the nearest hundred and then solve. How many balloons will Jaxson have approximately?

• 4,500

• 45,000

• 450,000

• 45

Melany is organizing a city carnival and needs to estimate the number of balloons she needs. She found a supplier who can provide a pack of balloons that contains 927 balloons and she thinks she will need about 516 packs. Estimate the numbers to the nearest hundred and then solve. How many balloons will Melany have approximately?

• 4,500

• 45,000

• 450,000

• 45

What is the definition of estimate?

• Find an exact value

• Exact answer to a multiplication problem

• Find a rounded value that is close to the exact

• Part of a whole

Tags

CCSS.3.OA.D.8

A close, mathematical guess.

• equation

• estimate

• expression

A number close to an exact solution tells "about how much or how many" 

• Difference

• Sum

• Estimate

• Product

Tags

CCSS.4.NBT.A.3

CCSS.4.OA.A.3

A rough calculation used to get a ballpark value.

• Estimate

• Answer

• Equation

• Guess

Tags

CCSS.3.NBT.A.1

CCSS.3.OA.D.8