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Year 8 - Substitution into Expression (II)

Authored by Kasym Nobatov

Mathematics

7th Grade

CCSS covered

Used 18+ times

Year 8 - Substitution into Expression (II)
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12 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

My teacher gives four pencils to new students. There are x new students.

x + 4
x/4
4x
4-x

Tags

CCSS.6.EE.B.6

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which expression is equivalent to 4j + 7j?

(4 + 7)j
(4 * 7)j
4 + 7(j)
(4 + 7)(2j)

Tags

CCSS.6.EE.A.4

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Which expression does not equal 21?

3x  when  x = 7
42/y when  y = 2
18 + e   when e = 4
30 - j   when j = 9

Tags

CCSS.6.EE.B.5

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Are these two expressions equivalent?  Use substitution.  
4x + 3    and        9x - 20   if x= 4

Yes, both equal
No, not equal

Tags

CCSS.6.EE.A.2C

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Which of these expressions is equal to 36?

12y  if y = 4
45 - x   if x = 11
72/r   if r = 2
x + x + x + x    if x = 8

Tags

CCSS.6.EE.A.2C

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Find the value of this expression if x = 8
x2 + 12 - 2x 

66
60
56
12

Tags

CCSS.6.EE.A.2C

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of these expressions is equal to 40 if w =5 ?

w + w + w + w + w
50/w
33 + w 
10 (w - 1)

Tags

CCSS.6.EE.B.5

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