Estimating Sticker Quantities

The video tutorial explains how to estimate the number of stickers a teacher used throughout the year. The teacher started with 12 sheets of stickers, each containing 48 stickers, and ended the year with 123 stickers remaining. The tutorial guides viewers through the process of estimating the number of stickers used by rounding numbers to make calculations easier. The final estimate is determined by subtracting the remaining stickers from the initial total, using rounded numbers for simplicity.

What is the total number of stickers the teacher initially had?

• 576

• 720

• 600

• 480

Tags

CCSS.1.OA.A.1

How many stickers were left at the end of the year?

• 150

• 120

• 100

• 123

What is the purpose of using rounded numbers in the estimation process?

• To make the calculation more complex

• To simplify the calculation

• To confuse the students

• To increase accuracy

Tags

CCSS.4.NBT.B.5

If each sheet has 48 stickers, approximately how many stickers are there in 12 sheets?

• 500

• 600

• 700

• 800

Tags

CCSS.4.NBT.B.5

What is the estimated number of stickers used if 120 stickers are left?

• 480

• 550

• 500

• 520

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Which number was used as a friendlier estimate for 48 stickers per sheet?

• 45

• 50

• 55

• 60

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

What is the estimated number of stickers used if 100 stickers are left?

• 480

• 500

• 440

• 460

Tags

CCSS.5.NBT.B.7

Why might different people arrive at different estimates?

• Because they use different initial numbers

• Because they calculate incorrectly

• Because they use different estimation methods

• Because they have different preferences

What is the closest estimate to the actual number of stickers used?

• 480

• 500

• 520

• 460

What is the importance of estimating rather than calculating the exact number?

• It is more fun

• It is less confusing

• It is more accurate

• It saves time and effort