Problem Solving

Key Words for Choosing the Right Operation

Words to help students determine which operation to use when solving math problems anchor chart

Problem Solving Anchor Chart

Students often struggle with word problems not because they can’t compute, but because they aren’t sure which operation to use. These anchor charts and foldable organizers help students identify key words, analyze the situation, and choose the correct strategy with confidence.

Problem Solving Keywords

Hover over each card to see all the keywords for that operation.

+
Addition
Keywords that signal adding
Addition Keywords
increased by more than combined together total total of sum added to perimeter plus all in all altogether extra more
Subtraction
Keywords that signal subtracting
Subtraction Keywords
less left minus difference between how much more exceed how many less fewer than reduced by farther dropped decreased by greater than
×
Multiplication
Keywords that signal multiplying
Multiplication Keywords
twice product of total in all all multiplied by times increased by a factor decreased by a factor area of
÷
Division
Keywords that signal dividing
Division Keywords
per a out of ratio of quotient of percent share distribute quotient average each divide equally split equal pieces

Quick Reference — Keywords at a Glance

+ Addition − Subtraction × Multiplication ÷ Division
sum, total, plus,
more than, added to,
combined, altogether,
increased by
difference, less,
minus, fewer than,
decreased by,
reduced by, left
product, times,
twice, of, area,
multiplied by,
in all
quotient, per, each,
share, split, average,
out of, ratio,
divide equally

Keyword Sort Game

A keyword appears — click which operation it signals! Score as many correct as you can.

Question 1 of 20

Word Problem Decoder

Read each word problem. The keywords are highlighted to help you. Identify the operation, then solve!

Problem 1 of 8
Which operation does this problem use?

Write the Equation

Read each word problem and write the equation that represents it. Use n for the unknown. Then check your work!

Problem 1 of 8

Practice Problems

Select the correct operation for each word problem.

Solve each word problem and type your answer.

Each problem requires more than one step. Solve carefully!

Free Problem Solving Organizer

Key Words for Problem Solving Pack
This free download includes both the classroom anchor chart and the foldable organizer that help students identify key words for addition, subtraction, multiplication, and division. Perfect for interactive notebooks, small groups, and test prep.
  Download Free PDF

Teaching Ideas

📌 Anchor Chart Reference

Problem Solving Anchor Chart

Display the anchor chart during problem solving lessons. Students can refer to it while working independently or in small groups.

📘 Foldable Organizer Practice

Key Words Foldable Organizer

Students add examples under each flap of the foldable organizer. Encourage them to write their own word problems using the key words.

🧠 Key Word Sorting

Give students a set of key word cards and have them sort the words into the four operations. This helps them recognize patterns and understand that some words can signal more than one operation depending on context.

🎯 Operation Match Challenge

Read a short scenario aloud and have students hold up a card showing the operation they would use. This quick, engaging activity helps you assess understanding in real time.

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