Unit 5 - Lesson 12 - Grade 5: Illustrative Mathematics
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12 questions
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Grade 5 Unit 5
Lesson 12: Estimate and Add
CC BY 2021 Illustrative Mathematics
Grade 5 Unit 5
Lesson 12: Estimate and Add
CC BY 2021 Illustrative Mathematics
Lesson: Estimate and Add
Find the value of each expression mentally.
Find the value of 5.61 + 2.53. Explain or show your reasoning.
Find the value of 5.61 + 2.53. Explain or show your reasoning.
Han used the standard algorithm to add decimals. This is Han’s work. Describe what Han did in each step.
Han used the standard algorithm to add decimals. This is Han’s work. Describe what Han did in each step.
Use the standard algorithm to find the value of 6.62 + 3.74.
Use the standard algorithm to find the value of 6.62 + 3.74.
Which whole number is the sum 2.82 + 5.2 closest to? Explain or show your reasoning.
Which whole number is the sum 2.82 + 5.2 closest to? Explain or show your reasoning.
What is the value of 2.82 + 5.2? Explain or show your reasoning. Use the standard algorithm if it is helpful.
What is the value of 2.82 + 5.2? Explain or show your reasoning. Use the standard algorithm if it is helpful.
Which whole number is the sum 6.8 + 4.97 closest to? Explain or show your reasoning.
Which whole number is the sum 6.8 + 4.97 closest to? Explain or show your reasoning.
What is the value of 6.8 + 4.97? Explain or show your reasoning. Use the standard algorithm if it is helpful.
What is the value of 6.8 + 4.97? Explain or show your reasoning. Use the standard algorithm if it is helpful.
Cool Down: Sums of Decimals
Find the value of 3.45 + 21.6. Explain or show your reasoning.
Find the value of 3.45 + 21.6. Explain or show your reasoning.