LEARN · PRACTISE · DISCOVER
Draw Models for Word Problems
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THE CURIOSI · EXPLORE & TRY
Find the missing bus group
Explore the model, then test your understanding. Select each numbered stop to discover its role.
1Identify the whole
There are 36 students altogether. The full bar represents all of them.
2Identify the known part
Twenty-one students are on the first bus.
3Find and label the unknown
The second bus has 36 − 21 = 15 students. The two parts must add to 36.
Choose a strategy you can explain. Check the numbers and include units where needed.
Quick check · 3 questions
Choose one answer for each question, then check. Practice results stay on this page and do not change course completion.
Read the answer explanations
- The missing part is 36 − 21 = 15 students.
- Find the missing increase: 52 − 35 = 17.
- A model shows whether the unknown is a total, a missing part or a difference.
Focus on understanding before speed. Use paper, counters or a spoken explanation whenever they help you keep track.