🎯 Your challenge
Score: 0/1
Read carefully
1Choose the modelWhich model matches the story?
Choose a model above to unlock the bar model.
2 Build the model
Place the labels and numbers, then check your model.
+
−
×
÷
=
3 Build the equation.
Tools
Unlock sound once on iPad/iPhone.
Time: 40s
Difference: Choose Compare model
Type A: greater − difference = smaller
Type B: smaller + difference = greater
Sum: Choose Part-Whole model
Solve as: total − known = other
Working Space (Place Value)
Use finger / mouse / stylus
HUNDREDS
TENS
ONES