G8 U1 Assessment Key
Grade 8 Unit 1 Rational and Irrational Numbers
Answer Key 1.
No, yes, no, yes
2.
Yes, yes, yes, yes
3.
D
4.
8.NS.1 8.NS.1 6.
A 8.NS.1
D 8.NS.1
5.
C 8.NS.1
8.NS.1 7.
B
8.
8.NS.1
C 8.NS.1
9.
First, first, first, second
10. D 8.NS.1
8.NS.1 11. A 8.NS.1
12. B
13. B
8.NS.2
8.NS.2
14. 5√23 + 𝜋3 + 𝜋 8.NS.2
15. 2√15, the larger the number, the larger the sqroot. 8.NS.2
16. Any answer from 9.85 8.NS.2
17. Sketch of two similar triangles. 𝑦−3 2 = 𝑥 5 𝑦=
18. 52/8, 6.5
19. 4/9, no 8.NS.1
8.NS.1
2 𝑥+3 5
8.EE.6
Copyright © Swun Math Grade 8 Unit 1 Assessment (Answer Key)
20. Anywhere from 195 to 210 8.NS.2
Answer Key 1.
No, yes, no, yes
2.
Yes, yes, yes, yes
3.
D
4.
8.NS.1 8.NS.1 6.
A 8.NS.1
D 8.NS.1
5.
C 8.NS.1
8.NS.1 7.
B
8.
8.NS.1
C 8.NS.1
9.
First, first, first, second
10. D 8.NS.1
8.NS.1 11. A 8.NS.1
12. B
13. B
8.NS.2
8.NS.2
14. 5√23 + 𝜋3 + 𝜋 8.NS.2
15. 2√15, the larger the number, the larger the sqroot. 8.NS.2
16. Any answer from 9.85 8.NS.2
17. Sketch of two similar triangles. 𝑦−3 2 = 𝑥 5 𝑦=
18. 52/8, 6.5
19. 4/9, no 8.NS.1
8.NS.1
2 𝑥+3 5
8.EE.6
Copyright © Swun Math Grade 8 Unit 1 Assessment (Answer Key)
20. Anywhere from 195 to 210 8.NS.2
