Multiplication Tables and Multiplicative Thinking · Multiplication Tables to 10
The 10 times table
Recall the 10 times table (10×1 to 10×10) using the place-value pattern.
≈ 4 min · Difficulty 1/5
Real-life hook
A ten-pack of pens costs the same each. How many pens in 4 packs? Counting 10, 20, 30, 40 shows 10 × 4 = 40.
The idea
To multiply a whole number by 10, write the number and put a 0 after it. 10 × 4 = 40, 10 × 7 = 70. The digits stay the same and shift up one place.
Worked examples
10 × 4 = 40
- Take 4.
- Put a 0 after it: 40.
10 × 7 = 70
- Take 7.
- Put a 0 after it: 70.
Common mistake
Watch out: Adding a 0 to both the 10 and the other number.
Better: Only the other number gets a 0 after it: 10 × 3 = 30, not 300.
Use it in real life
Money in tens: 6 ten-dollar notes are 10 × 6 = 60 dollars.
Try it yourself
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Where you'll use this
- Counting in tens — money, tens of items
- Ten fingers, ten toes
- Reading amounts like 10, 20, 30 on a scale
Frequently asked questions
What is the trick for the 10 times table?
Write the number you are multiplying and add a 0 to the end. So 10 × 8 = 80.
Why does adding a zero work?
Multiplying by 10 shifts every digit one place to the left, which leaves a 0 in the ones place.