What repeats? Which numbers changed?
TODAY’S MISSION · WARM-UP3 min
Ready to solve everyday puzzles with math?
Math detectives, assemble!
No formula memorizing today. We will spot clues, make smart estimates, and use numbers and shapes to solve real-life missions.
🔎 Patterns🎯 Estimate🪙 Budget🔷 Shapes
Make a guess first, then explain what you noticed.
STOP 1 · NOTICE THE CLUES4 min
Math is more than calculating fast
Notice, predict, then check.
Share an idea, even if it starts as an estimate.
Check by counting, drawing, or calculating.
There are 4 triangles and 3 circles. How many shapes altogether?
STOP 2 · FIND THE PATTERN5 min
PATTERN MISSION
2, 4, 6, 8… what comes next?
2→4→6→8→?
Detective hint: the same change happens each time.
Choose your answer:
STOP 3 · MAKE AN ESTIMATE5 min
Get close without counting one by one
There are 23 storybooks and 28 comics. About how many books?
23＋28≈？
Think of 23 as 20 and 28 as 30. Look for a nearby ten.
Which estimate makes the most sense?
STOP 4 · PLAN A BUDGET6 min
LITTLE SHOPPER CHALLENGE
You have ¥20. How much will be left?
📒 Notebook 7 yuan✏️ Pencil 3 yuan20 − (7 + 3) = ?
Money left:
STOP 5 · BUILD WITH SHAPES5 min
SHAPE MISSION
Six tiles make a garden. How many fence units around it?
Arrange the tiles 3 across and 2 deep. Count only the outside edges.
🌱·🌱·🌱·
How many unit fence pieces are needed?
STOP 6 · QUICK CALCULATION7 min
ONE LAST NUMBER CLUE
Each box has 4 crayons. How many in 5 boxes?
12345
Equal groups can be combined with multiplication: 4 × 5.
Choose the total:
FINISH · SHARE WHAT YOU NOTICED5 min
🏅
YOU EARNED FOUR DETECTIVE BADGES
Math helps us spot clues and find a way.
A pattern, something repeated, or a hidden number.
Drawing, estimating, calculating, or talking it through.
Tell a partner: which mission feels like something you do every day?