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Unit 5 - Lesson 12 - Grade 2: Illustrative Mathematics
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Instructions
Lesson: Order Numbers
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Cool Down: Estimate and Order
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Grade 2 Unit 5
Lesson 12: Order Numbers
CC BY 2021 Illustrative Mathematics®
Grade 2 Unit 5
Lesson 12: Order Numbers
CC BY 2021 Illustrative Mathematics®
Number Talk: Subtract Tens (Warm Up)
Find the value of each expression mentally.
1
Question 1
1.
1
Question 2
2.
1
Question 3
3.
1
Who is Out of Order?
Kiran and Andre put a list of numbers in order from least to greatest.
Question 5
5.
Who do you agree with? Why?
Be prepared to explain your thinking. Use what you know about place value or the number line to justify your reasoning.
Order Numbers
Question 6
6.
Estimate the location of 839, 765, 788, 815, and 719 on the number line. Mark each number with a point. Label the point with the number it represents.
visibility
View drawing
Question 7
7.
Order the numbers from least to greatest.
815
765
839
719
788
Question 8
8.
Estimate the location of 199, 245, 173, 218, and 137 on the number line. Mark each number with a point. Label the point with the number it represents.
visibility
View drawing
Question 9
9.
Order the numbers from greatest to least.
218
137
199
173
245
Question 10
10.
Order the numbers from least to greatest.
Explain or show your thinking. Use the number line if it helps.
445
545
405
454
504
visibility
View drawing
Question 11
11.
Was it more helpful for you to put the numbers in order first or put them on the number line first? Explain.
Question 12
12.
Estimate the location and label 748, 704, 762, 789, and 712 on the number line.
visibility
View drawing
Question 13
13.
Order the numbers from least to greatest.
748
712
789
762
704
Question 4
4.