What number could this be?
1
Record an estimate that is:
Record an estimate that is:
1
Record an estimate that is:
Record an estimate that is:
Grade 2 Unit 5
Lesson 9: Compare Numbers on the Number Line
CC BY 2021 Illustrative Mathematics®
Grade 2 Unit 5
Lesson 9: Compare Numbers on the Number Line
CC BY 2021 Illustrative Mathematics®
What number could this be?
Record an estimate that is:
Record an estimate that is:
Each student compared 371 and 317, but represented their thinking in different ways.
What is the same and different about these students’ representations? Discuss with a partner.
Try Jada’s way.
Estimate the location of 483 and 443 on the number line. Mark each number with a point. Label the point with the number it represents.
Use >, =, or < to compare 483 and 443.
448443
Locate and label 420 and 590 on the number line.
Use >, =, or < to compare 420 and 590.
420590
Estimate the location of 378 and 387 on the number line. Mark each number with a point. Label the point with the number it represents.
Use >, =, or < to compare 378 and 387.
378387
Diego and Jada compared 2 numbers.
Use their work to figure out what numbers they compared.
Then use >, =, or < to compare the numbers.
Estimate the location and label 681 and 618 on the number line.
Use <, >, or = to compare 681 and 618.
681618
Use the number line to explain how you know your comparison is true.
