➖ Subtraction within 100
Master two-digit subtraction using regrouping, counting up, and decomposition strategies. This quiz reinforces key methods for subtracting numbers within 100 and solving word problems involving subtraction. **What you'll learn:** - How to regroup (borrow) when subtracting two-digit numbers - Using counting up as a subtraction strategy - Decomposing numbers to make subtraction easier - Understanding the inverse relationship between addition and subtraction - Solving real-world word problems with subtraction
Questions in this quiz
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- Question 1
What is ?
- Question 2
When you subtract , you need to regroup. What do you do first?
- Question 3
The opposite operation of subtraction is addition.
- Question 4
Maya has 38 stickers. She gives 14 to her friend. How many stickers does she have left?
- Question 5
Which number sentence is correct?
- Question 6
You can use counting up to solve . Which counting up shows the right answer?
- Question 7
When you regroup in subtraction, you are borrowing from the tens place to add to the ones place.
- Question 8
Tom has 57 toy cars. He loses 23. How many does he have now?
- Question 9
What is ?
- Question 10
You decompose 82 as 70 + 12 to subtract 27. What is the next step?
- Question 11
The problem shows the inverse relationship with .
- Question 12
A park has 66 benches. 19 benches are painted red. The rest are green. How many benches are green?
- Question 13
What is ?
- Question 14
Which subtraction problem requires regrouping?
- Question 15
Counting up is the only way to subtract two-digit numbers within 100.
- Question 16
Sarah's library has 85 books. She donates 37 books. How many books does the library have left?
- Question 17
When subtracting , how many ones do you have after regrouping?