Unit 7 - Lesson 2 - Grade 2: Illustrative Mathematics
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19 questions
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Grade 2 Unit 7
Lesson 2: Add and Subtract with Tens and Hundreds
CC BY 2021 Illustrative Mathematics®
Grade 2 Unit 7
Lesson 2: Add and Subtract with Tens and Hundreds
CC BY 2021 Illustrative Mathematics®
Lesson: Add and Subtract with Tens and Hundreds
Find the value of each expression mentally.
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Use your base-ten blocks to show each number. Then, roll a number cube to see how many tens or hundreds to add or subtract.
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Show 297.
Add _______ hundreds.
Complete the equation:
297 +_______ =_______
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Show 432.
Add _______ tens.
432 + _______ = _______
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Show 982.
Subtract _______ tens.
982 - _______ = _______
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Show 351.
Add _______ hundreds.
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Show 351.
Write an equation:
Show 351.
Write an equation:
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Show 805.
Subtract _______ hundreds.
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Show 805.
Write an equation:
Show 805.
Write an equation:
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Mai has 2 hundreds, 2 tens, and 3 ones. Lin has 4 hundreds.
Represent their values with base-ten blocks or diagrams.
What is the value of their blocks altogether? Show your thinking.
Mai has 2 hundreds, 2 tens, and 3 ones. Lin has 4 hundreds.
Represent their values with base-ten blocks or diagrams.
What is the value of their blocks altogether? Show your thinking.
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Andre has 4 hundreds, 2 tens, and 8 ones.
Represent his value with base-ten blocks or diagrams.
Andre gives 2 hundreds to Clare.
What is the value of his blocks now? Show your thinking.
Andre has 4 hundreds, 2 tens, and 8 ones.
Represent his value with base-ten blocks or diagrams.
Andre gives 2 hundreds to Clare.
What is the value of his blocks now? Show your thinking.
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Diego has 6 tens. Tyler has 8 hundreds, 3 tens, and 6 ones.
What is the value of their blocks together? Show your thinking.
Diego has 6 tens. Tyler has 8 hundreds, 3 tens, and 6 ones.
What is the value of their blocks together? Show your thinking.
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Elena has 5 hundreds, 7 tens, and 2 ones. She gives 2 tens to Kiran.
What is the value of her blocks now? Show your thinking.
Elena has 5 hundreds, 7 tens, and 2 ones. She gives 2 tens to Kiran.
What is the value of her blocks now? Show your thinking.
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Priya has 6 hundreds, 5 tens, and 8 ones. Han gives her 3 hundreds.
What is the value of her blocks now? Show your thinking.
Priya has 6 hundreds, 5 tens, and 8 ones. Han gives her 3 hundreds.
What is the value of her blocks now? Show your thinking.
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Jada has 4 hundreds, 8 tens, and 2 ones. She gives 3 hundreds to Noah.
What is the value of her blocks now? Show your thinking.
Jada has 4 hundreds, 8 tens, and 2 ones. She gives 3 hundreds to Noah.
What is the value of her blocks now? Show your thinking.
Cool Down: How Many Blocks?
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What is the value of their blocks altogether?
What is the value of their blocks altogether?
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Write an equation to show your thinking.
Write an equation to show your thinking.