Finding the Digits Addition
decimals · adding decimals and finding missing digits
To add 3 decimals and to complete addition sentences [5.NBT.B.7].
Finding the Digits Addition is a Grade 5 decimal game that combines addition with missing-digit reasoning. One team builds three decimals from cards, finds the sum, then hides selected digits before showing the setup to the opposing team. The other team uses the visible digits and total to determine what is missing, so place value and decimal addition become part of a deduction problem.
Use it for partner or small-group review when students are secure enough with decimal addition to reason backward from a completed sum. Ask students which place-value clues let them recover each hidden digit. Create a free Find a Math Game account to generate lesson support for Finding the Digits Addition. No credit card; 3 lifetime lesson generations.
- Grades:
- 5
- Players:
- 2 or more players
- Materials:
- dice, cards, paper
- Classroom use:
- small group, partner work
Standards alignment
Official Rules
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