Subtraction Math Example 2

Follow the full solution, then compare it with the other examples linked below.

Example 2

medium
A jar has 12 marbles. A child takes out 5 marbles. How many marbles remain in the jar?

Solution

  1. 1
    Write the subtraction sentence: \(12 - 5 = ?\)
  2. 2
    Count back from 12 by 5: 11, 10, 9, 8, 7.
  3. 3
    So \(12 - 5 = 7\).
  4. 4
    Check: \(7 + 5 = 12\) ✓

Answer

7 marbles
We take 5 away from 12 by counting back. We can check by adding the answer back to 5 to get 12.

About Subtraction

Finding the difference between two numbers by removing one quantity from another, or measuring the gap between them.

Learn more about Subtraction →

More Subtraction Examples

Example 1 easy

There are 7 cookies on a plate. You eat 3 cookies. How many cookies are left? Use (a - b = c).

Example 3 easy

What is (9 - 4)?

Example 4 medium

There are 15 birds on a fence. 6 birds fly away. How many birds are still on the fence?

← All Subtraction Examples Subtraction Concept