Play with Calculator Riddles
Topics: Fourth Grade, Math
The Calculator Alphabet:
Upside-down numbers: 0 1 2 3 4 5 6 7 8 9
Letters: O I Z E h S g L B G
Calculator Riddles:
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What is the only thing that gets larger the more you take away?
25,000 – 68 – 952 – 8,956 – 11,320 =
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Picture these U.S. Coins: a nickle, a penny, and a dime. OK? Ellie's parents have 3 children. One is Nick and another is Penny. Who is the third?.05 ÷ .01 ÷ .10 × 3 × 211 + 123 =
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Bill subtracted numbers for 20 minutes, Bess multiplied them, and Leslie added them.
- Who was more exhausted when they finished?9 + 57 + 868 + 7920 + 93,208 + 215,475 =
- Who went into debt when they were finished?17,865 – 9,438 – 607 – 95 – 7 =
- Who got the most work done in 20 minutes?.3 × 2 × 2.6 × 20 × 7.1 × 25 =
Recommended Reading:
Adapted from "Mathamazing", the book of brainteasers, tricks, and riddles to make math fun for everyone. By Raymond Blum (New York, NY: Sterling Publishing Co., 2002). www.sterlingpublishing.com










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