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Lesson 03: Adding and Subtracting Decimals with Few Non-Zero Digits | Unit 5: Arithmetic in Base Ten

Lesson 03: Adding and Subtracting Decimals with Few Non-Zero Digits | Unit 5: Arithmetic in Base Ten

Assessment

Presentation

Mathematics

6th Grade

Easy

CCSS
6.NS.B.3, 5.NBT.B.7

Standards-aligned

Created by

Wayground Content

Used 2+ times

FREE Resource

19 Slides • 10 Questions

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Open Ended

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Here is a base-ten diagram that represents 1.13. Use the diagram to find 1.130.461.13 - 0.46 . Explain or show your reasoning.

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Multiple Choice

Compute the following sum: 0.027 + 0.004. If you get stuck, consider drawing base-ten diagrams.

1
0.031
2
0.030
3
0.025
4
0.035

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Multiple Choice

Compute the following sum: 0.203 + 0.01.

1
0.213
2
0.2
3
0.21
4
0.203

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Multiple Choice

Compute the following sum: 1.2 + 0.145.

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1.45
2
1.25
3
1.5
4
1.345

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Open Ended

A student said that we cannot subtract 1.97 from 20 because 1.97 has two decimal digits and 20 has none. Do you agree with that student? Explain or show your reasoning.

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Multiple Choice

Decide which calculation shows the correct way to find 0.30.0060.3-0.006 .

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a. 3 tenths - 6 thousandths = 306 thousandths.

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b. 3 tenths - 6 thousandths = 97 thousandths.

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c. 3 tenths - 6 thousandths = 24 thousandths.

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d. 3 tenths - 6 thousandths = 294 thousandths.

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Open Ended

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Explain your reasoning for choosing the correct calculation for 0.3 - 0.006.

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