Grade 7 English Maths Olympiad 2022

The first four multiples of 100 are …

4, 8, 12, 16
10, 20, 25, 50
100, 200, 300, 400
1, 2, 5, 10

Look at the angle alongside.

What is the name of the angle?

Straight line angle
Acute angle
Obtuse angle
Right angle

What fraction of the shape is shaded?

\begin{equation} \frac{1}{4} \end{equation}
\begin{equation} \frac{1}{5} \end{equation}
\begin{equation} \frac{30}{10} \end{equation}
\begin{equation} \frac{2}{3} \end{equation}

The perimeter of the regular Hexagon is:

25 m
30 m
50 m
55 m

The area of the Triangle is:

\begin{equation} 120m^2 \end{equation}
\begin{equation} 12m^2 \end{equation}
\begin{equation} 6m^2 \end{equation}
\begin{equation} 40m^2 \end{equation}

The simplified answer of :

\begin{equation}
2\frac{1}{3} \times 1\frac{2}{5} \times \frac{3}{4}
\end{equation}

\begin{equation} \frac{6}{60} \end{equation}
\begin{equation} 2\frac{1}{10} \end{equation}
\begin{equation} \frac{49}{20} \end{equation}
\begin{equation} \frac{36}{5} \end{equation}

Calculate: 50% of 170 is…

\begin{equation} \frac{50}{170} \end{equation}
\begin{equation} 85 \end{equation}
\begin{equation} 70 \end{equation}
\begin{equation} 100 \end{equation}

The answer of 10+0,7-2,04 is:

A. 8,66
B. 9,24
C. 8,92
D. 8,97

The answer of 2,41 ×3,7 is:

7,117
6,321
8,917
9,237

Write an equation (number sentence) for the following. Use x as the variable (certain number)

A certain number multiplied by two then three is added to get 13

\begin{equation} 2x+3=13 \end{equation}
\begin{equation} 2+3x=13 \end{equation}
\begin{equation} x\times 2-3=13 \end{equation}
\begin{equation} 3x-2=13 \end{equation}

Solve for \(x\)

\begin{equation}2(x + 9) = -1 (x – 3)\end{equation}

-3
-4
-6
-5

Susan paid R180 for \(frac{3}{8} \)of a taxi fare she shared with a friend. How much was the total taxi fare?

R480
R380
R540
R640

The area of a circle with a diameter of 16 cm is:

A. 31,451
B. 190,33
C. 201,14
D. 50,243

Refer to the sketch below, what is the value of \(x\):

47°
133°
43°
137°

Give a reason for the answer in question 14:

A. Interior angles of a triangle is equal to 360°
B. Alternate angles are equal
C. Corresponding angles are equal
D. Exterior angle of a triangle is equal to the opposite interior angles.

You randomly pick one marble from these marbles. There are 5 yellow marbles, 2 red marbles and 3 blue marbles. What is the probability of not choosing red marbles?

\begin{equation} \frac{2}{10} \end{equation}
\begin{equation} \frac{8}{10} \end{equation}
\begin{equation} \frac{5}{10} \end{equation}
\begin{equation} \frac{3}{10} \end{equation}

Twenty-nine million two hundred and eight thousand and six – in digits are:

29 280 006
29 208 006
29 028 06
29 208 6

The 5th prime number is:

13
7
11
5

\(3frac{3}{4}\) written as a decimal fraction is:

3,45
3,15
3,75
3,25

Calculate:

\(9 times 4-30 div 3 div 2= ? \)

1
33
30
31

Label this transformation.

Rotation
Enlargement
Translation
Reflection

An Isosceles triangle …

Has three unequal sides
Has two equal sides
Has all angles equal to 60 degrees.
Has three equal sides

If \(a\) = 2; \(b\) = 4 and \(c\) = -1 find the value of:

begin{equation}
frac{4a + 3b}{c}
end{equation}

20
16
-20
-12

The simplified answer of:

begin{equation}
(4 ^2 – 2^3) div (3frac{1}{8} + frac{7}{8})^2
end{equation}

\begin{equation} \frac{1}{2} \end{equation}
\begin{equation} \frac{1}{4} \end{equation}
\begin{equation} 2 \end{equation}
\begin{equation} 4 \end{equation}

Which number sentence has the lowest value?

2×5+1×3+0
2+5×1+3×0
2+5+1+3+0
2×5×1×3×0

What is the sum of the factors of 30?

45
30
61
72

Which fraction has the highest value?

\begin{equation} \frac{7}{10} \end{equation}
\begin{equation} \frac{2}{5} \end{equation}
\begin{equation} \frac{1}{2} \end{equation}
\begin{equation} \frac{4}{5} \end{equation}

What is the next number in this sequence?

0,3 0,5 0,7 0,9 …

0,11
1,11
1,1
1,01

If the pattern is repeated, what will the 23rd shape in the sequence be?

Pentagon
Down Arrow
Square
Triangle

How many lines of symmetry can be drawn in the shape below:

0
1
2
3

Sipho buys a textbook from a bookstore at R167,50 and sells it for R200. What profit will he make after the sale?

R331,50
R33,50
R367,50
R32,50

What fraction is exactly halfway between a third and a fifth?

\begin{equation} \frac{4}{15} \end{equation}
\begin{equation} \frac{1}{4} \end{equation}
\begin{equation} \frac{1}{5} \end{equation}
\begin{equation} \frac{1}{8} \end{equation}

Which one of the following is a composite number?

2
1
6
11

What is the temperature on the thermometer as a mixed number?

\begin{equation} 37\frac{1}{32} °C \end{equation}
\begin{equation} 37\frac{32}{1000} °C \end{equation}
\begin{equation} 37\frac{32}{100} °C \end{equation}
\begin{equation} 37\frac{1}{320} °C \end{equation}

There are ten telephone poles in a street. The distance between the first and the second pole is 0.25 km, the distance between the first and the third is 0,5 km and the distance between the second and the fourth pole is 0,5 km. What is the distance between the first and the eighth pole in km?

1.75 km
2.0 km
2.5 km
2.25 km

Cafda Primary School is looking to hire the following items from the Carnival Company for their winter Carnival:

R17 870 Jumping Castle

R37 546 Tent

R27 675 Lighting and sound

If they hire all the items from the Carnival shop they will receive R3 250 discount on the total cost. What will it cost to hire all the items?

R83 091
R79 841
R86 611
R79 481

70 cm converted to millimeters is …

700 mm
7 mm
7 000 mm
70 mm

In five years’ time Natalie will be exactly double the age of her brother. Her brother has just turned 3 years old.

How old is Natalie today?

8 years old
9 years old
10 years old
11 years old

Which of the following expressions represents 89%

89
0,89
8,9
\begin{equation} \frac{1}{89} \end{equation}

Which of the following fractions is in its simplest form?

\begin{equation} \frac{90}{100} \end{equation}
\begin{equation} \frac{7}{12} \end{equation}
\begin{equation} \frac{11}{33} \end{equation}
\begin{equation} \frac{7}{63} \end{equation}

Victor divided a certain number by 25. He found an answer of 256 with a remainder of 15.

What is that number?

6405
5415
6415
5455

Refer to the shape below:

The value of the perimeter is:

\begin{equation} 36 cm \end{equation}
\begin{equation} 27cm \end{equation}
\begin{equation} 44 cm \end{equation}
\begin{equation} 39 cm \end{equation}

Shaun is busy running a 40km marathon.

He is running at 5,5 km per hour. How far has Shaun run in kilometers if he has been running for 180 minutes?

36 km
7,2 km
220 km
16,5 km

The product of the first four prime numbers is:

210
250
68
315

The current temperature is –7°C. If increased by 18°C, it would be:

–11°C
11°C
25°C
–25°C

The highest common factor of 20 and 30 is:

5
20
10
12

Thirty six people want to build a greenhouse for their community that costs R117 108. They all share the costs equally. How much would each pay?

R3 215
R3 253
R3 154
R3 234

Truworths is having a winter sale. All items are sold at 25% discount. Calculate what you will pay for a pair of jeans that originally cost R670?

R167,50
R160
R480
R502,50

A double compact disk (CD) box has a height of 2cm, length of 14cm and breadth of 12 cm.

Calculate the volume of the CD box.

\begin{equation} 336 cm^3 \end{equation}
\begin{equation} 28 cm^3 \end{equation}
\begin{equation} 300 cm^3 \end{equation}
\begin{equation} 66 cm^3 \end{equation}

Look at the top, right side and left side view.

Which 3D object represents the views given.

Grade 7 English Maths Olympiad 2022

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