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You can create printable tests and worksheets from these Grade 8 Arithmetic and Number Concepts questions! Select one or more questions using the checkboxes above each question. Then click the add selected questions to a test button before moving to another page.

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Grade 8 Systems of Equations CCSS: 8.EE.C.8, 8.EE.C.8c
Grade 8 Systems of Equations CCSS: 8.EE.C.8, 8.EE.C.8b
Solve the system.
y = 5x − 2
y = −3x + 6
1. (2, 4)
2. (1, 3)
3. (2, 8)
4. (4, 2)
Grade 8 Rational and Irrational Numbers CCSS: 8.EE.A.2
$sqrt2$ is what type of number?
1. Integer
2. Irrational
3. Rational
4. Whole
Grade 8 Rational and Irrational Numbers CCSS: 8.NS.A.2
Grade 8 Scientific Notation CCSS: 8.EE.A.4
Write .0083 in scientific notation.
1. $8.3 xx 10^3$
2. $8.3 xx 10^4$
3. $8.3 xx 10 ^-3$
4. $8.3$
Grade 8 Scientific Notation CCSS: 8.EE.A.4
Express $3910.28 xx 10^4$ using proper scientific notation.
1. $3.91028 xx10^6$
2. $3.91028 xx10^8$
3. $3.91028 xx10^7$
4. $39.1028xx10^5$
Grade 8 Scientific Notation CCSS: 8.EE.A.3
Which of the following is least?
1. $5xx10^-2$
2. $5xx10^-1$
3. $5xx10^1$
4. $5xx10^2$
If $m/p =2/3$, what can you conclude?
1. $3m=2p$
2. $2m=3p$
3. $mp=6$
4. $m+p=5$
Grade 8 Rational and Irrational Numbers CCSS: 8.NS.A.2
Grade 8 Rational and Irrational Numbers CCSS: 8.NS.A.1
Choose the number that is irrational.
1. $21/99$
2. $sqrt100$
3. $sqrt(36/3$
4. $2/94$
Grade 8 Rational and Irrational Numbers CCSS: 8.NS.A.1
Choose the number that is irrational.
1. $sqrt123$
2. $88/41$
3. $sqrt49$
4. $23/69$
Grade 8 Rational and Irrational Numbers CCSS: 8.NS.A.1
Square root of 225
1. Rational
2. Irrational
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