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Maya.1 Addition word problems - up to two digits

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What are two-digit addition word problems?

Two-digit addition word problems are math problems that use a story or real-life situation to show adding a two-digit number and a one-digit number. You solve them by understanding the problem and using a strategy to add correctly.

Example:

Maria has 34 apples. She picks 6 more apples. How many apples does she have now?

Note

Always read the problem carefully. Look for the numbers and what is being asked before solving.

How do we solve them using the break apart strategy?

The break apart strategy means separating the one-digit number into parts to make adding easier. This helps when adding across tens.

Steps:
  • Start with the two-digit number: 34
  • Break apart the one-digit number: 6 = 4 + 2
  • Add to make the next ten: 34 + 4 = 38
  • Add the leftover: 38 + 2 = 40
  • So, 34 + 6 = 40
Note

Breaking apart helps you move to the next multiple of ten first, then finish the problem. This keeps adding simple and accurate.

Examples of word problems

Here are examples of how to solve two-digit plus one-digit addition word problems using the break apart strategy:

Examples:
  • Problem: John read 47 pages. He read 5 more pages. How many pages did he read in total?
    Solution: Break apart 5 = 3 + 2. Add 47 + 3 = 50. Then 50 + 2 = 52. John read 52 pages.
  • Problem: A basket has 68 oranges. 7 more are added. How many oranges are there now?
    Solution: Break apart 7 = 2 + 5. Add 68 + 2 = 70. Then 70 + 5 = 75. There are 75 oranges.
Note

Check your answer by adding in the regular way to be sure it matches the break apart method.

Helpful tips when solving

Use these tips to solve two-digit addition problems correctly and with confidence:

Tips:
  • Always identify which number is the two-digit number and which is the one-digit number.
  • Break apart the one-digit number into parts that help make the next ten.
  • Write each step neatly so you do not lose track.
  • Double-check your work by adding in another way.
Note

Math word problems tell a story. Understanding the story first makes the numbers easier to work with.