Significant Figures Practice
9th - 12th Grade
•50 Qs
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Significant Figures Practice
Quiz
•
Chemistry
•
9th - 12th Grade
•
Practice Problem
•
Medium
+1
Standards-aligned
Used 8K+ times
FREE Resource
About this resource
This quiz comprehensively covers significant figures, a fundamental concept in high school chemistry typically taught at the 9th through 12th grade levels. Students must master several interconnected skills to succeed with these problems: identifying significant figures in various numerical formats including decimal numbers, scientific notation, and measurements with units; applying rounding rules to express numbers with a specified number of significant figures; and performing mathematical operations (addition, subtraction, multiplication, and division) while maintaining proper significant figure protocols. The core reasoning requires understanding that significant figures represent the precision of measurements, recognizing that leading zeros are never significant while trailing zeros are significant only when following a decimal point, and applying the rule that mathematical results cannot be more precise than the least precise measurement used in the calculation. Additionally, students must distinguish between accuracy (how close a measurement is to the true value) and precision (how reproducible measurements are), concepts that underpin all quantitative work in chemistry. Created by a chemistry teacher in the US who teaches grades 9-12. This comprehensive practice quiz serves multiple instructional purposes throughout the significant figures unit, functioning effectively as a diagnostic pre-assessment to identify student misconceptions, a guided practice activity during initial instruction, or a review tool before summative assessments. Teachers can assign portions of the quiz as targeted homework focusing on specific skills like identifying significant figures versus performing calculations, or use the entire set as a comprehensive formative assessment to gauge student readiness for laboratory work where proper data handling is essential. The quiz aligns with NGSS standards HS-ETS1-4 for using mathematical representations in scientific investigations and supports Common Core mathematical practices MP6 (attending to precision) and MP8 (looking for patterns in mathematical reasoning), making it valuable for reinforcing the critical connection between mathematical precision and scientific accuracy that students will apply throughout their chemistry studies.
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50 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
How many significant figures does the following number have: 0.002040
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
How many significant figures does the following number have: 0.998005
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
How many significant figures does the following number have: 100.00210
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Round 0.010229 to four sig figs
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Round 1047.78 to three sig figs
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Round 1009 to three sig figs
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the measurement 1042 Liters rounded to 2 significant figures?
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