Math and science
Shape Detective
Count the circles, triangles and rectangles hiding in a robot, then build your own character from shapes.
Thinking sheet · Math and science
Hundred Chart Detective
Color patterns on a hundred chart: counting by 2s, 5s and 10s. What shapes do the patterns make?
- Grades
- 1–3
- Time
- about 20 minutes
- Topic
- Math and science
- Kids practice
- skip counting, number patterns, place value
What kids do
“Count and color! What patterns hide in the hundred chart?”
- Color by 10s in one color, by 5s in another
- I colored:
- The pattern I see:
How to run it
- Use light crayons so numbers stay readable.
- Notice that the 10s make a column and the 5s make two.
- Ask: what if we counted by 9s?
Talk about it
- Why do the 10s line up?
- Which pattern made stripes?
- What number is in all three patterns?
Take it further
Color by 3s on a blank copy. What shape appears?
Pairs well with
Free for home and classroom use. Print as many copies as you need.
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