MY HIDDEN NUMBER
mixed operations · completing addition and subtraction sentences with a hidden number and target
Objective:To complete addition and subtraction sentences
MY HIDDEN NUMBER is a Grade 1 addition-and-subtraction game where each player begins with a secret die value and tries to combine it with new rolls to match a target card. Students may add the new value to the hidden number or subtract the smaller value from the larger one when that produces the target. The hidden-number setup makes each round a small problem-solving search rather than a single fixed fact.
Use it in a small group when students are practicing basic addition and subtraction relationships. Because players must decide which operation could reach the target, the game encourages flexible thinking with the same numbers. Create a free Find a Math Game account to generate teacher-ready lesson support for MY HIDDEN NUMBER. No credit card is required, with 3 lifetime lesson generations.
- Grades:
- 1
- Players:
- 3–4 players
- Materials:
- dice, cards, paper
- Classroom use:
- small group
Standards alignment
Official Rules
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