Three hundreds charts with numbers missing for students to fill in: 20 missing, then 40, then 60. Each comes with an answer key.
What’s included
- Level 1: 20 numbers missing
- Level 2: 40 numbers missing
- Level 3: 60 numbers missing
- An answer key for each level with the missing numbers marked
- Color and black & white versions
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Classroom use ideas
- Use Level 1 as a warm-up and move up as students get faster
- Ask students how they found a number: counting on, or ten more
- Use a level as a quick check at the start of math
- Keep the keys so students can check their own work