This Grade 4 easy worksheet introduces order of operations using simple two-operation expressions like five plus three times two. Students learn the PEMDAS mnemonic and practice that multiplication and division come before addition and subtraction in any expression. Spot-the-error problems show common student mistakes, fill-in-the-blank items reinforce careful evaluation, and short answers explain why these PEMDAS rules truly matter for math accuracy and consistency.
Style:
Order of Operations Introduction
Part A: Fix the Sentence
Each sentence has an error. Rewrite it correctly on the line.
1. Fix the sentence:
For 4 + 2 x 3, you add first to get 6 x 3 = 18.
Rewrite: For 4 + 2 x 3, multiply first: 2 x 3 = 6, then 4 + 6 = 10.
2. Fix the sentence:
10 - 2 x 4 equals 8 x 4 = 32 because we work left to right.
Rewrite: 10 - 2 x 4 equals 10 - 8 = 2 because multiplication comes before subtraction.
3. Fix the sentence:
For 8 + 6 / 2, you add 8 + 6 = 14, then divide by 2 to get 7.
Rewrite: For 8 + 6 / 2, divide first: 6 / 2 = 3, then 8 + 3 = 11.
Part B: Fill in the Blank
Write the missing word or number on each line.
1. In 6 + 4 x 2, you should multiply first before adding.
2. Evaluate: 5 + 2 x 3 = 11
3. Evaluate: 12 - 8 / 4 = 10
4. The letters PEMDAS are a mnemonic to remember the order of operations.
Part C: Short Answer
Answer each question in one or two complete sentences.
1. Why must we follow the order of operations when evaluating expressions?
We follow the order so everyone gets the same correct answer when evaluating an expression.
2. What does PEMDAS stand for, and why is it useful?
PEMDAS stands for Parentheses, Exponents, Multiplication, Division, Addition, Subtraction. It helps remember the order.
Order of Operations Introduction
★ Part A: Fix the Sentence
Each sentence has an error. Rewrite it correctly on the line.
1) Fix the sentence:
For 4 + 2 x 3, you add first to get 6 x 3 = 18.
Rewrite: For 4 + 2 x 3, multiply first: 2 x 3 = 6, then 4 + 6 = 10.
2) Fix the sentence:
10 - 2 x 4 equals 8 x 4 = 32 because we work left to right.
Rewrite: 10 - 2 x 4 equals 10 - 8 = 2 because multiplication comes before subtraction.
3) Fix the sentence:
For 8 + 6 / 2, you add 8 + 6 = 14, then divide by 2 to get 7.
Rewrite: For 8 + 6 / 2, divide first: 6 / 2 = 3, then 8 + 3 = 11.
★ Part B: Fill in the Blank
Write the missing word or number on each line.
1) In 6 + 4 x 2, you should multiply first before adding.
2) Evaluate: 5 + 2 x 3 = 11
3) Evaluate: 12 - 8 / 4 = 10
4) The letters PEMDAS are a mnemonic to remember the order of operations.
★ Part C: Short Answer
Answer each question in one or two complete sentences.
1) Why must we follow the order of operations when evaluating expressions?
We follow the order so everyone gets the same correct answer when evaluating an expression.
2) What does PEMDAS stand for, and why is it useful?
PEMDAS stands for Parentheses, Exponents, Multiplication, Division, Addition, Subtraction. It helps remember the order.
Ready to Practice?
Complete each section carefully.
9 Questions
15-20 minutes
Auto-graded
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