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# Play with Calculator Riddles

### What You Need:

• Calculator
• List of calculator riddles (below)
• The Calculator Alphabet (below)

### What You Do:

Use the calculator alphabet below to help find the answers to the following math riddles:

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:

1. What is the only thing that gets larger the more you take away?

25,000 – 68 – 952 – 8,956 – 11,320 =

2. Picture these U.S. Coins: a nickel, 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 =

3. Bill subtracted numbers for 20 minutes, Bess multiplied them, and Leslie added them.

• Who was more exhausted when they finished?
• â€‹9 + 57 + 868 + 7920 + 93,208 + 215,475 =

• Who went into debt when they were finished?
• â€‹â€‹17,865 – 9,438 – 607 – 95 – 7 =

• Who got the most work done in 20 minutes?
• â€‹.3 × 2 × 2.6 × 20 × 7.1 × 25

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