2 x (80 ÷ -16)
-10
If two angles add up to 90°, what are they called?
Complementary Angles
The temperature in London during 6 AM was -3.5°C. 12 hours later, the temperature rose to 18.2°C. By how much did the temperature change?
21.7°C
1/6 x __ = 5/12
Express the blank value as a mixed fraction.
2 1/2
8 ÷ 4 × (6 + 2 of 4)
28
What is the side always opposite to the 90° in a right-angled triangle, which is also the largest side of the triangle?
Hypotenuse
There are a total of 70 students in grade 6. If the ratio of boys to girls is 2:3, how many girls are there in the whole grade?
42 girls
Which fraction is greater?
A. 4/7
B. 5/9
Answer: A
[(18 – 6) ÷ 4] + [72 – 12 ÷ 3]
71
If interior angles in an octagon add up to 1080°, what is the value of each interior angle given that it is a regular octagon?
135°
Sally spends $30 on apples and bananas. Each apple costs $5 and a banana costs 4$. Sally bought 5 bananas and the rest was spent on apples. How many apples were bought?
2
(1 1/4 + 1 1/2) / (5 1/8 - 3 3/4)
2
[{(45 + 90 ÷ 3 × 6) × 2} ÷ ½ ] × 5
4500
The radius of a circle is 7 cm. Find the area of the circle with the usage of the formula of 𝝅r2. Then find the circumference of the circle using 2𝝅r.
You can give your answer in 𝝅, or if you wish use the value of 3.14 as 𝝅.
Make sure to add the units.
Area of Circle: 49𝝅 or 153.86 cm2
Circumference of Circle: 14𝝅 or 43.96cm
Jordan's garden has a width of 200m and a length of 150m. He wants to put a 2-strand wire fence around the garden. If 1m of the wire costs $2, how much will the total fencing cost.
$28,000
6 + {4/3 + (3/4 - 1/3)}
Write as a mixed fraction.
7 3/4