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Unit 5 - Lesson 12 - Grade 2: Illustrative Mathematics

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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®

Lesson: Order Numbers

Number Talk: Subtract Tens (Warm Up)

Who is Out of Order?

1

Order Numbers

1
1
1
1
1
1
Cool Down: Estimate and Order
1
1

Find the value of each expression mentally.

1
Pitanje 1
1.

1
Pitanje 2
2.

1
Pitanje 3
3.

1
Pitanje 4
4.

Kiran and Andre put a list of numbers in order from least to greatest.

Pitanje 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.

Pitanje 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.

Pitanje 7
7.

Order the numbers from least to greatest.

  1. 719

  2. 815

  3. 788

  4. 839

  5. 765

Pitanje 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.

Pitanje 9
9.

Order the numbers from greatest to least.

  1. 199

  2. 245

  3. 218

  4. 173

  5. 137

Pitanje 10
10.

Order the numbers from least to greatest.

Explain or show your thinking. Use the number line if it helps.

  1. 545

  2. 405

  3. 454

  4. 504

  5. 445

Pitanje 11
11.

Was it more helpful for you to put the numbers in order first or put them on the number line first? Explain.

Pitanje 12
12.

Estimate the location and label 748, 704, 762, 789, and 712 on the number line.

Pitanje 13
13.

Order the numbers from least to greatest.

  1. 748

  2. 704

  3. 789

  4. 712

  5. 762