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WorksheetsYear 8 Mathematics Challenge
Total questions: 173
Worksheet time: 6hrs 51mins
What is the sum of -7 and 5?
-2
-1
-3
0
Evaluate the expression 3x + 4 when x = 2.
6
12
10
8
Solve for x: 2x + 3 = 11.
2
3
5
4
What is 4.56 rounded to the nearest whole number?
4.5
5
6
4
Measure the angle of a triangle that has angles of 60° and 70°. What is the third angle?
80°
50°
30°
40°
Collect data on the number of books read by students in a month. If 5 students read 3, 4, 2, 5, and 6 books, what is the average?
5
3
6
4
What is the difference between -10 and -4?
-4
-8
-2
-6
Evaluate the expression 5y - 2 when y = 3.
11
13
15
9
Solve for x: 5x - 7 = 18.
3
-1
5
10
Round 3.14159 to two decimal places.
3.15
3.1
3.141
3.14
If a straight line measures 180°, what is the measure of a right angle?
90°
45°
60°
120°
If you collect data on the heights of 5 students: 150 cm, 160 cm, 155 cm, 165 cm, and 158 cm, what is the median height?
158 cm
160 cm
155 cm
165 cm
What is the product of -3 and 4?
12
-7
-12
-10
Evaluate the expression 2a + 3b when a = 1 and b = 2.
8
5
6
10
Solve for x: 3(x - 2) = 12.
8
10
4
6
What is 7.89 rounded to the nearest tenth?
7.5
8.0
7.9
7.8
If an angle measures 45°, what is its complement?
60°
45°
30°
90°
If you survey 10 people and find that 6 prefer chocolate ice cream, what percentage prefer chocolate?
80%
50%
70%
60%
What is the sum of 12 and -8?
5
4
-4
2
Evaluate the expression 4m - 5 when m = 3.
7
10
2
-5
Order Least to Greatest
1/2, 1/6, 3/10
1/2, 1/6, 3/10
3/10, 1/2, 1/6
1/6, 3/10, 1/2
−3+8
5
−5
11
−11
−4+(−5)
−9
9
1
−1
6+(−9)
3
−3
15
−15
12+(−7)
5
−5
19
−19
−9−7
−16
16
2
−2
15−(−3)
18
−18
12
−12
−19−(−4)
−15
15
23
−23
32−(−17)
49
−49
15
−15
−3(6)
18
−18
9
−9
−4(−5)
20
−20
9
−9
−1260
5
−5
4
−4
16(−2)
−32
32
18
−18
−3−75
25
−25
20
−20
3−18
6
−6
7
−7
8−12
4
−4
20
−20
−2(−10)
20
−20
12
−12
-16 - 4
What is an integer?
A whole number
A fraction
A negative number only
Negative and positive whole number and 0
Which statement describes the shaded fraction?
two halves
two thirds
one fourth
three fourths
Look at the model. Which statement does NOT describe the shaded fraction?
four eighths
one half
eight fourths
4/8
Find the missing numerator:
2/3 = ?/9
1/9
4/9
6/9
7/9
1
3
9
8
Which fraction is equivalent to 1?
1/2
1/10
5/5
5/1
Least to Greatest
5/12, 12/12, 1/12
5/12, 12/12, 1/12
1/12, 5/12, 12/12
12/12, 1/12, 5/12
Greatest to Least
5/6, 3/8, 2/3
5/6, 3/8, 2/3
2/3, 3/8, 5/6
5/6, 2/3, 3/8
Order Greatest to Least
2/3, 3/4, 3/6
2/3, 3/4, 3/6
3/4, 2/3, 3/6
3/6, 3/4, 2/3
Order Greatest to Least
2/6, 1/2, 2/3
2/6, 1/2, 2/3
2/3, 1/2, 2/6
2/3, 1/2, 2/6
Order Least to Greatest
1/2, 1/6, 3/10
1/2, 1/6, 3/10
3/10, 1/2, 1/6
1/6, 3/10, 1/2
5/6, 3/6, 4/6
2/3 or 9/12
1/4, 1/6, 1/2
What is the reciprocal of 2/5
5/2
4/10
5
2
What is the reciprocal of 1/3
2/6
3/2
3
1
What do I get when I multiply a number by its reciprocal?
the original number
the reciprocal
0
1
Solve: 1/3 ÷ 1/2
1/6
2/3
3/2
6
Solve: 2 ÷ 2/4
1/4
1
2
4
Solve: 1/7 ÷ 5
11
1/35
1/11
5/7
Identify the operation you would use to solve:
Jason is baking cookies for a party. He has a recipe that calls for 2/3 cups flour. If he needs to triple the recipe, how much flour does the recipe require?
Addition
Subtraction
Multiplication
Division
What operation would I use to solve?
Last night, Fiona studied for 1 1/2 hours for her math unit test. If she is planning on studying for another 3/4 of an hour tonight, how much will she study in total for her test?
Addition
Subtraction
Multiplication
Division
What operation would I use to solve?
Marc is decorating for the holidays by placing ribbon along his stair railing. If the railing is 8m long and each ribbon is 3/4 m long, how many ribbons does Marc need to buy to fully cover the railing?
Addition
Subtraction
Multiplication
Division
What operation would I use to solve?
Jamal and Katie are training for a marathon by running every day. If Jamal ran 3 2/3 km on Thursday and Katie ran 4 5/6 km, how much farther did Katie run than Jamal?
Addition
Subtraction
Multiplication
Division
Multiply Decimals
*2 decimal places
*100th place
3 x 0.02 =
6
0.6
0.06
0.006
Multiply Decimals
*1 decimal place.
*tenths place.
3 x 0.3 =
9
0.9
0.09
0.009
Multiply Decimals
*2 decimal places.
*hundredths place.
3 x 0.03 =
9
0.9
0.09
0.009
Multiply Decimals
2 x 0.4 =
8
0.8
0.08
0.008
Multiply Decimals
2 x 0.04 =
8
0.8
0.08
0.008
Multiply Decimals
5 x 0.3 =
15
1.5
0.15
0.015
Multiply Decimals
5 x 0.03 =
15
1.5
0.15
0.015
Convert fraction to a decimal
3/8
(a)
Convert fraction to a decimal
1/2
(a)
Convert fraction to a decimal
1/4
(a)
Convert fraction to a decimal
9/10
(a)
Convert fraction to a decimal
3/5
(a)
Convert fraction to a decimal
18/100
(a)
Convert fraction to a decimal
6/15
(a)
Convert fraction to a decimal
3/8
(a)
Convert fraction to a decimal
1/2
(a)
Convert fraction to a decimal
6/15
(a)
Convert fraction to a decimal
1/4
(a)
Convert fraction to a decimal
9/10
(a)
Convert fraction to a decimal
3/5
(a)
Convert fraction to a decimal
18/100
(a)
102=?
2.0
0.2
0.02
2.2
Represent 8.284 in expanded form
8 + 2 + 8 + 4
8 + 0.2 + 0.08 + 0.004
8 + 200 + 80 + 4
8000+ 0.2 + 0.08 + 0.004
Express the following as a decimal:
4 thousandths = 10004 = ____________
0.04
0.004
4000
The shaded model represents the decimal-
0.08
0.8
0.92
8
Multiply Decimals
2 x 0.4 =
8
0.8
0.08
0.008
Multiply Decimals
5 x 0.3 =
15
1.5
0.15
0.015
Write the fraction as a decimal
9/10
(a)
Write the fraction as a decimal
5/4
(a)
Write the decimal as a mixed number
in simplest form
4.45
(a)
Write as a Decimal
2/3
0.23
0.2
0.3
0.6̅
Write the fraction as a decimal 11/2
(a)
Write the fraction as a decimal
1/11
0.0̅9
0.11
0.111
1.11
Two angles of a triangle are 55° and 70°
Work out the third angle
(a)
What is the name of the type of triangle you found in question 1? Choose the correct word
equilateral
isosceles
right-angled
perpendicular
Work out the size of angle D.
(a)
Work out the value of x
(a)
There are two parallel lines in this diagram.
One of the angles is 76°.
Write in the value of angle A
(a)
Name one other angle which is the same as angle A
(a)
There are two parallel lines in this diagram.
One of the angles is 76°
Work out the size of angle C
(a)
Name one other angle which is the same as angle C
(a)
What does angles C and D add up to?
(a)
What type of angles are B and F
corresponding angles
alternate angles
vertically opposite angles
Co-interior angles
What type of angles are B and D
corresponding angles
alternate angles
vertically opposite angles
Co-interior angles
What type of angles are B and E
corresponding angles
alternate angles
vertically opposite angles
Co-interior angles
What angle corresponds to ∠7 ?
∠8
∠2
∠6
∠3
What angle is vertical to ∠5 ?
∠6
∠2
∠3
∠8
What is the relationship between angle 1 and 2?
Right Angle
Supplementary Angles
Complementary Angles
None
Tell whether the angles are complementary or supplementary. Then find the value of x.
Complementary, 15
Complementary, 18
Supplementary, 16
Supplementary, 19
Tell whether the angles are complementary or supplementary. Then find the value of x.
Complementary; x=25
Supplementary; x=25
Complementary; x=5
Supplementary; x=5
Solve for angle 3
55°
125°
45°
0°
The angle relationship shown is
Complementary Angles
Adjacent Angles
Supplementary Angles
Vertical Angles
Find the value of x.
38°
52°
142°
152°
n m∠4 =If m∠6 = 50 then m∠4 =
50°
90°
130°
360°
In a triangle, how many total degrees are there?
90
180
360
45
Find the measure of the indicated angle.
95
35
45
85
Find the missing angle.
75
100
105
70
Acute angle - an angle that is ______ a 90 degree angle.
more than
equal
less than
None
What are vertical angles?
Angles that are adjacent to each other
Angles that are opposite of each other
Angles that add up to 180°
Angles that add up to 90°
If ∠C and ∠D are supplementary, and the measure of ∠D is 45°, what is the measure of ∠C?
135
125
45
90
Solve for the missing angle with the question mark.
A
B
C
D
Name the Triangle
Acute Triangle
Right Triangle
Obtuse Triangle
None
Which pair of angles is an example of alternate exterior angles?
∠1 and ∠8
∠3 and ∠7
∠2 and ∠5
∠4 and ∠5
Which of the following could be angle measures for a triangle?
120°, 50°, 20°
100°, 200°, 60°
30°, 50°, 80°
40°, 50°, 90°
