Subtracting Three-Digit Numbers
Authored by Sylvia Adebayo
Mathematics
1st Grade
CCSS covered
Used 1+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When adding three-digit numbers, if the ones place digit of the addend is greater than the ones place digit of the minuend, what should Benjamin and Olivia do?
Regroup the tens as hundreds
Regroup the hundreds as ones
Answer explanation
When adding three-digit numbers, if the ones place digit of the addend is greater than the ones place digit of the minuend, we need to regroup the hundreds as ones. This ensures correct addition and maintains place value.
Tags
CCSS.2.NBT.B.7
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is an example of regrouping tens as ones when subtracting three-digit numbers?
Nora had 819 marbles and gave 472 to Avery. How many marbles does Nora have left?
Luna had 643 candies and gave 296 to Avery. How many candies does Luna have left?
Answer explanation
Regrouping tens as ones when subtracting three-digit numbers is exemplified in the equation 643-296.
Tags
CCSS.2.NBT.B.7
CCSS.3.NBT.A.2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When regrouping hundreds as tens, where should Michael move one hundred?
The tens place
The thousands place
Answer explanation
When regrouping hundreds as tens, we move one hundred to the tens place.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many tens need to be regrouped as ones in the subtraction problem 843-526 for Aiden, Arjun, and Zoe?
4
None
Answer explanation
To subtract 526 from 843, we need to regroup 4 tens as ones. This allows us to subtract 6 from 13, resulting in 7. The correct answer is 4.
Tags
CCSS.2.NBT.B.7
CCSS.3.NBT.A.2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the result of 969 minus 379?
590
540
Tags
CCSS.2.NBT.B.7
CCSS.3.NBT.A.2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is an important lesson to be learned from using the problem-solving strategy of finding a pattern, Emma and Harper?
Focus on the ones place digit
Look for similarities and differences
Answer explanation
Finding a pattern helps identify similarities and differences, a crucial lesson in problem-solving.
Tags
CCSS.RL.1.3
CCSS.RL.2.1
CCSS.RL.4.3
CCSS.RL.5.3
CCSS.RL.K.3
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Scarlett, Sophia, and Anika are solving a math problem together. In the subtraction problem 725-398, which digits need to be regrouped?
7 and 2
4 and 3
Tags
CCSS.2.NBT.B.7
CCSS.3.NBT.A.2
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