Missing Number Activity
This missing number activity has K-2nd grade students find the missing number on 24 cookie cards by counting by 1s and 10s on a hundred chart. Answer key included, and it makes counting feel like a treat.
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About this resource
Description
Counting forward from any number is a big step in early math. This missing number activity turns that skill into a cookie game for Kindergarten, 1st and 2nd grade students. Children read a short number pattern, find the number that is missing, and check it on a hundred chart. Half the fun is the cookies, and the other half is feeling like a number detective.
Each cookie card shows three numbers in a row with one empty box. The chocolate-chip cards count by 1s and the star cookie cards count by 10s, so one set grows with your class. Students pick a card, find its numbers on the hundred chart, say the missing number, and write it on the recording sheet next to the card number. It works as a math center, a partner game, a small-group warm-up, or a quick check at the end of a lesson. As a kindergarten counting activity it builds counting to 100, and older students use it to practice counting by tens from any number.
What’s Included
- A colorful cover page
- A How to Use page with materials, prep and game steps
- 24 cookie number cards on 4 sheets (16 count by 1s, 8 count by 10s)
- A hundred chart
- A recording sheet for 24 cards
- A 1st grade practice worksheet: fill in the missing numbers
- An answer key for the cards and for the practice page
How It Helps Kids
- It builds number sense by showing how each number connects to the one before it and the one after it.
- It links counting by 1s and counting by 10s to the patterns on a hundred chart, which supports place value later on.
- It keeps practice playful and hands-on, so children stay focused and ask for another card.
Ideas for Teachers and Parents
Start with the chocolate-chip cards and add the star cards once students are ready to count by tens. Pairs can take turns reading a card aloud while the partner points to the hundred chart. At home, cover a number on the chart with a cookie or a coin and let your child find it. Laminate the cards and use a dry-erase marker so the missing number activity can be played again and again.
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