Three Addend Addition Activity
This three addend addition activity helps 1st-2nd grade students add three numbers by matching ice cream cones to scoops with the right sum. Answer key included.
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About this resource
Description
Adding three numbers helps young students grow their fact fluency and learn smart strategies like making a ten. This three addend addition activity gives 1st grade and 2nd grade students a sweet way to practice adding three one-digit numbers with sums up to 20.
In this ice cream game, each Cone Card shows three numbers to add, and each Scoop Card shows a sum. Students solve a cone, then find the scoop with the same sum and stack it on top. Every sum in the set is different, so each cone has exactly one scoop. Students write each number sentence on the recording sheet, then finish with a practice page of eight more problems. This 1st grade addition activity is easy to prep: print one-sided and cut apart the cards.
What’s Included
- 12 Cone Cards with three-addend problems
- 12 Scoop Cards with the matching sums
- A recording sheet for the number sentences
- A 1st grade practice worksheet with eight problems
- A card answer key and a practice answer key
Why It Helps Kids
First, adding three numbers encourages students to look for a ten or a double, which builds mental math strategies. Second, the matching game gives students a quick way to check each answer, so they fix mistakes and gain confidence. Third, writing the number sentences on the recording sheet connects the game to written math.
Ideas for Teachers and Parents
Use the three addend addition activity in a math center, with a partner, or as a small group warm-up. Ask students to explain which two numbers they added first and why. For an extra challenge, have students make their own cone with three numbers for a classmate to solve. At home, families can play the matching game together and talk about different ways to reach each sum.
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