Unit 2a Review

Presentation

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Mathematics

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3rd Grade

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Practice Problem

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Medium

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CCSS

3.NBT.A.1, 6.NS.C.6C, 4.NBT.A.3

Standards-aligned

Mocha Wohlgemuth

Used 30+ times

FREE Resource

5 Slides • 8 Questions

Unit 2a Review

Number Lines

Number lines have numbers marked at different intervals.
We can use number lines in many ways.
We can practice plotting a number on a number line.
Number lines can help us round.

Multiple Choice

Which number line best represents Point P as the number 182?

Multiple Choice

Which number line best represents point P as the number 2,280?

Missing Intervals

Sometimes a number line will not have all of the intervals marked. Be sure to label missing numbers. The next number line is an example of a number line with missing numbers.

Multiple Select

What numbers are missing? Pick 2 answers!

20,000

25,000

30,000

40,000

50,000

Multiple Select

The number line shows 3 points labeled. Which statements are true? Check all correct answers.

Point R represents 20,900

Point R represents 29,300

Point S represents 26,560

Point S represents 33,150

Point T represents 48,400

Rounding

When we round we use a number that is close but easier to work with.
Number lines can help us round.
We round up or down to the nearest 10, 100, 1,000, or 10,000.

Multiple Choice

Use the number line to round. What is 46 rounded to the nearest 10?

Multiple Choice

What is 364 rounded to the nearest 100?

360

300

350

400

Multiple Choice

The number line shows 4 points labeled. Which number rounds to 1,000 when rounded to the nearest 100?

850

880

930

950

Don't be fooled...

Watch out for NOT questions!

Multiple Choice

The number line shows 63 labeled. Sixty-three rounds to 60 when rounded to the nearest 10. Which other number does NOT round to 60?

Unit 2a Review

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