Practice Zero in Math

Use these practice problems to test your method after reviewing the concept explanation and worked examples.

Quick Recap

The number representing the absence of quantity; the additive identity and placeholder in positional notation.

Zero is the placeholder that makes '10' different from '1'β€”it marks empty positions.

Showing a random 20 of 64 problems.

Example 1

easy
Write 'two hundred seven' as a numeral.

Example 2

easy
What is 7+07 + 0?

Example 3

easy
Hold up zero fingers. How many fingers are up?

Example 4

medium
Fill in the blank: 0+8=8β€Ύ0 + 8 = \underline{\phantom{8}}

Example 5

medium
On a number line, what is the distance from 00 to βˆ’6-6?

Example 6

medium
The number 3,0203{,}020 has a zero in the tens place. How does removing that zero (writing 320 instead) change the number's value?

Example 7

hard
True or false: 0+70 + 7 is the same as 7+07 + 0.

Example 8

medium
Evaluate (βˆ’3)+3(-3) + 3.

Example 9

easy
What is 0+00 + 0?

Example 10

medium
Ben has 2 apples. He picks up 0 apples. Then he picks up 0 more. How many apples does Ben have?

Example 11

easy
Is 5Γ·05 \div 0 defined?

Example 12

easy
Write the number with 6 hundreds, 0 tens, and 2 ones.

Example 13

medium
Solve for xx: x+0=12x + 0 = 12.

Example 14

hard
Mr. Lee writes a 3-digit number on the board. It has 0 in the tens place and 0 in the ones place. The hundreds digit is 7. What is the number, and what is the value of each 0?

Example 15

medium
What is 505^0?

Example 16

easy
How many objects are in an empty box?

Example 17

easy
What is 0+50 + 5?

Example 18

medium
You have 2 stickers. You give both away. How many stickers do you have?

Example 19

medium
There are 10 ducks in a pond. 0 more swim over. How many ducks are in the pond?

Example 20

medium
If a product aΓ—b=0a\times b = 0, what can you conclude about aa or bb?