Tables 11 to 20 in any order, with missing numbers like 16 × ? = 96. Split every teen number into 10 and a bit, and the missing number is easy to find.
✓ You passed this lesson’s test.
How it works
Ten and a bit — “split the teen number into 10 and the rest”
Split the teen number: 16 × 6 = 10 × 6 + 6 × 6.
Missing number: try a guess, multiply, and adjust up or down.
Remember: 15 × 4 = 60, 12 × 5 = 60, 20 × 3 = 60 — some answers come up again and again.
Use it for: Speed practice, division by 11–20, and the strategies in Module 3.
Worked example: 16 × ? = 96 → 6
Which number times 16 makes 96?
Try 6: 10 × 6 + 6 × 6 = 60 + 36 = 96.
So the missing number is 6.
Check: 16 × 6 = 96 ✓
✏️ Practice
Work it out in your head or on paper, type the answer and press Check. Stuck? Press “Show me how”.
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🏁 Lesson 13 test
20 questions. Check each answer, then go to the next one. Get 16 or more right to pass.
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