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Challenge your students' thinking and stretch their number sense with these Switching Addends Number Talk Task Cards—perfect for math enrichment in the second half of the year. These brain teaser-style prompts push students to reason flexibly with numbers as they explore how switching one or more addends can create equal sums across two equations.
Challenge your students’ thinking and stretch their number sense with these Switching Addends Number Talk Task Cards—perfect for math enrichment in the second half of the year. These brain teaser-style prompts push students to reason flexibly with numbers as they explore how switching one or more addends can create equal sums across two equations.
Ideal for whole-group number talks, math centers, or small-group problem solving, these tasks encourage deep thinking about addition, subtraction, missing addends, and the commutative property, all within sums to 20. While designed to be rigorous, the reward is in the light bulb moments as students begin to discover patterns, test strategies, and explain their reasoning.
What’s Included:
These tasks are ideal for Quarter 3 or 4 when students are ready for higher-level thinking and open-ended problem solving. Build meaningful math conversations and develop flexible thinking with this engaging and challenging resource.
Looking to build number sense all year long?
This resource is part of the 1st Grade Number Talks Bundle—a complete collection of mental math task cards designed to spark daily math conversations and develop flexible thinking from August to May.
✅ Download the preview to get a closer look at these templates and examples from my classroom!
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Katherine S. –
A great addition to my number talks.
Elizabeth G. –
Great resource.
Brenton F. –
Great for small groups!
Shannon K. –
This resource was good overall.
Maria O. –
I use this as warm up activities for math. I love the critical thinking piece and the ease of using collaborative conversations too.
Danielle McDonald –
Very thorough and engaging resource!
Angela Pagan –
Can’t wait to use these with my first graders! I love all of Catherine’s products!
Keri T. –
Can’t wait to use
Lesley V. –
Love
Wading into Second –
These have been great for me early finishers! And challenging too! Thank you!
Claudia S. –
Another amazing product from the Brown Bag Teacher! Great for extension or early finisher activity. Thank you!
Audrey W. –
great product
Joan R. –
This has been a fun challenge for my kindergarten kids.
Tiara Smith –
Love this resource for a number routine!
Trish Hoppy –
Looking forward to using this!
KRISTI C. –
Great extension activity!