Root Raiders Cheat Sheet
Root Raiders Cheat Sheet
Use these prefixes to unlock the meaning of difficult words!
1
a- / an-
Means: NOT / WITHOUT
Example: Abiotic
Definition: Something that is not alive.
2
amphi- / ambi-
Means: BOTH / AROUND
Example: Ambidextrous
Definition: Able to use both hands.
3
bi-
Means: TWO
Example: Bicycle
Definition: A vehicle with two wheels.
4
circum-
Means: AROUND
Example: Circumnavigate
Definition: To travel all the way around something.
5
bene-
Means: WELL / GOOD
Example: Beneficial
Definition: Resulting in good things.
Explorer's Tip
When you see a new word, look for these prefixes first. They are like keys that unlock the word's secret meaning!
Root Raiders Quiz
Root Raiders Quiz
Prefixes: a-, an-, amphi-, ambi-, bi-, circum-, bene-
Name
Date
1 Part 1: Matching
Write the letter of the meaning next to its prefix.
1. bi-
2. a- / an-
3. circum-
4. amphi- / ambi-
5. bene-
A. Both
B. Around
C. Not or Without
D. Two
E. Well or Good
2 Part 2: Multiple Choice
Circle the correct answer for each question.
6. Which word means having TWO languages?
A. Ambidextrous
B. Bilingual
C. Beneficial
D. Asymmetric
7. An amphibian can live in both water and land. Which part of the word means "both"?
A. amphi-
B. an-
C. bi-
D. bene-
8. A benefit is something that is good for you. What does "bene-" mean?
A. Around
B. Not
C. Good
D. Two
3 Part 3: Sentence Completion
Fill in the blanks using words from the Word Bank below.
ambidextrous asymmetric beneficial circumference biannual amorphous
9. Because the painting was lopsided and not balanced, it was called .
10. Eating healthy food is because it is good for your body!
11. If you can use both your right and left hands, you are .
12. The distance around the outside of a circle is its .
Root Raiders Key
Root Raiders Quiz: Answer Key
Teacher Resource • Grade 4-8 • Prefix Mastery
Part 1: Matching (1 pt each)
1. D (Root: bi- → Meaning: Two)
2. C (Root: a- / an- → Meaning: Not or Without)
3. B (Root: circum- → Meaning: Around)
4. A (Root: amphi- / ambi- → Meaning: Both)
5. E (Root: bene- → Meaning: Well or Good)
Part 2: Multiple Choice (1 pt each)
6. B (Bilingual)
Context: TWO languages.
7. A (amphi-)
Context: Amphibian lives in BOTH water and land.
8. C (Good)
Context: A benefit is something that is GOOD for you.
Part 3: Sentence Completion (1 pt each)
9. asymmetric (not balanced)
10. beneficial (good for body)
11. ambidextrous (both hands)
12. circumference (around a circle)
Scoring Guide
- 12/12: Root Master
- 10-11/12: Expert Explorer
- 8-9/12: Junior Raider
- Below 8: Review Cheat Sheet