Multiplying by Multiples of 10: Quiz-Quiz-Trade Cards
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Multiplying by Multiples of 10: Quiz-Quiz-Trade Cards
Quiz-Quiz-Trade cards for multiplying one-digit numbers by multiples of 10, Grade 3: 32 cards to cut out and fold, a question on the front and its answer on the back, such as 6 × 70. Pair up, quiz, trade cards, find a new partner.
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Teach it first
Multiplying by Multiples of 10A teaching handout to hand out before this sheet: the rule, worked examples and common mistakes.- Pages
- 4
- Last updated
- Time
- About 15 minutes
- Printing
- Black and white
- Related curriculum
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Multiply a one-digit number by 10, 20, 30 ... 90 using a basic fact and place value: 4 × 60 is 4 × 6 tens, which is 24 tens, or 240.
Reviewed by Ms. Olivia Parker, Teacher. How we check worksheets
How to use this sheet
- Have the child find the basic fact first: for 6 × 40, think 6 × 4.
- Read 40 as "4 tens", so 6 × 40 is 24 tens, which is 240.
- Check one answer with repeated addition so the child sees why it works.
Common mistakes
- Dropping the zero, so 6 × 40 becomes 24. Remind the child that 4 tens is 40, not 4.
- Adding too many zeros when the basic fact already ends in zero, as with 5 × 80 = 400. Count the tens: 40 tens.
- Adding the zero on the wrong side of the answer.
