HIDDEN SLAP IT CHALLENGE SUBTRACTION
subtraction · subtracting one-digit numbers from two-digit numbers; comparing numbers
To subtract one-digit number from a two-digit number, to compare numbers up to 100
HIDDEN SLAP IT CHALLENGE SUBTRACTION is a Grade 2 partner game that pairs subtraction with comparison. Students create a shared two-digit number, secretly subtract a one-digit card from it, and then predict whether their result is higher or lower than the other player’s. The reveal gives immediate feedback and makes students reason about relative size as well as subtraction accuracy.
Use it for partner review when students are subtracting one-digit numbers from two-digit numbers and comparing values up to 100. Encourage students to explain why a particular hidden card should make their result larger or smaller. Create a free Find a Math Game account to generate teacher-ready lesson support for HIDDEN SLAP IT CHALLENGE SUBTRACTION. No credit card and 3 lifetime lesson generations.
- Grades:
- 2
- Players:
- 2 players
- Materials:
- cards
- Classroom use:
- partner work
Standards alignment
Official Rules
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