Topic 1 Real Numbers Pre-Assessment

Worksheet by Jeremy Grau

Subjects: Math
Grades: 8
Language: ENG
Assignments: 63 classrooms used this worksheet

Check your 8th-grade math skills on real numbers, roots, and scientific notation!

1. Estimate the value of √56 to the nearest whole number. 9 7 8 6 2. Simplify 14-4 a b c d 3. Simplify 40 1 4 1 0 4. Solve for x. x2 =144 a b c d 5. Which number is irrational? √81, √169, √156, √144 √81 √169 √156 √144 6. Write 3.15 • 10-5 in standard notation 0.00315 0.00000315 0.000315 0.0000315 7. Write 0.56 x 104 in standard notation. 56 x 102 0.56 x 103 5.6 x 103 56 x 10 8. Write 806,000,000 in scientific notation 8.06 x 109 8.06 x 107 8.06 x 108 8.06 x 1010 9. Write 0.000000474 in scientific notation 4.74 x 10-9 4.74 x 10-7 4.74 x 107 4.74 x 109 10. Write the exponent using a single digit. 75 • 76 4930 730 4911 711

number systems algebraic expressions scientific notation exponents

Educational Standards

CCSS CCSS.MATH.CONTENT.8.NS.A.1 CCSS CCSS.MATH.CONTENT.8.NS.A.2 CCSS CCSS.MATH.CONTENT.8.EE.A.2 CCSS CCSS.MATH.CONTENT.8.EE.A.3 CCSS CCSS.MATH.CONTENT.8.EE.A.1

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