Monster Math Triple Digit Subtraction Activity
Monster math triple digit subtraction activity for 2nd and 3rd grade: match 24 monster problem cards to cookie answers, with a recording sheet and answer key included.
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About this resource
Description
How to Teach Three-Digit Subtraction
This monster math triple digit subtraction activity turns three-digit subtraction without regrouping into a matching game. Each Monster Card shows a column problem such as 586 minus 173, and children line up the ones, tens and hundreds, subtract each place, and feed the hungry monster the cookie that shows its answer. Because no place needs regrouping, students can focus on place value and on subtracting one column at a time.
How to Use the Monster Math Activity
Print the card sheets on one side and cut apart the cards. Lay the Cookie Cards face up, pick a Monster Card, solve the problem and put the matching cookie on the monster. Every answer is different, so each monster has exactly one cookie. Students record the card number, the problem and the answer on the Recording Sheet, then add the answer and the bottom number to check that they get the top number back. Set A and Set B let you start small and add more cards.
What’s Included
- A How to Use page with steps, prep and extension ideas
- 24 Monster Cards with column subtraction problems (Set A and Set B)
- 24 Cookie Cards with the answers
- A Recording Sheet with an add-to-check column
- A 2nd grade practice worksheet with six problems and two story problems
- A card answer key and a practice answer key
Why This Activity Helps Kids
- Lining up digits in place-value columns builds a strong habit for all multi-digit math.
- Matching to a unique answer gives instant feedback, so students know right away if they are correct.
- Adding to check teaches children that addition and subtraction are related.
Ideas for Teachers and Parents
Use the monster math triple digit subtraction activity in a math center, as a partner game or for early finishers. Start with Set A, then mix in Set B. Ask students to explain how they subtracted each place, or have them write their own monster problem for a classmate to solve. It also works as a quick review before a test, and as a fun 2nd grade subtraction activity for homeschool families.
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