Algebra
Expand: x(x + 5)
What is x² + 5x?
What is the name of a triangle with two equal sides?
What is Isosceles triangle
[2 4]
[5 7]
What is the order of this matrix?
What is 2x2
A square has a side length of 4 cm. How many times can you cut this square into two equal rectangles
What is once
A farmer has 17 sheep; all but 9 run away. How many are left?
4x + 7 - 2x + 3
What is 2x + 10
Find the area of a triangle with a base of 12 cm and height of 7 cm.
What is 42 cm²
[5 2 1] + [1 3 2]
[3 4 6] [2 1 4]
What is [6 5 3]
[5 5 10]
What is the area of a rectangle with a length of 8 cm and a width of 5 cm?
What is 40cm2
Add 5 to 9 and get 2 — how?
What is on a clock
Solve: 4x - 7 = 2x + 9
What is x = 8
The exterior angle of a regular polygon is 45°. How many sides does the polygon have?
What is 8 sides
[ 1 2 ] + [ 2 0 ] + [ 4 1 ]
[ 3 4 ] [ 1 3 ] [ 2 -2 ]
What is [ 7 3 ]
[ 6 5 ]
The angles of a triangle are in the ratio 2 : 3 : 4
Find the largest angle.
What is 80°
If 5 machines make 5 products in 5 minutes, how long for 100 machines to make 100 products?
Simplify: (2x² + 7x + 3) - (x² - 4x - 5)
x² + 11x + 8
A triangle has sides of 13 cm, 14 cm and 15 cm. Find its perimeter and classify the triangle by its sides.
What is Perimeter = 42 cm Classification: Scalene
[ x 4 2 ] + [ 5 2 z ] = [ 9 6 8 ]
[ 3 y 6 ] [ 1 7 4 ] [4 10 10 ]
What is x = 4, y = 3, z = 6
Find the nth term of the sequence: 5, 9, 13, 17, 21...
What is 4n + 1
You have 100 and you need to subtract 10 as many times as possible. How many times can you subtract 10 from 100?
What is once
A rectangle has a width of x cm and a length of (x + 3) cm. Its area is 40 cm². Find its dimensions.
What is 5 cm by 8 cm
A circular garden has a radius of 14 m. A path goes around the outside of the garden. Find the distance around the garden. Use π = 22/7.
What is 88 m
A + B = [ 12 8 10 ]
[ 7 9 6 ]
[ 11 5 8 ]
If A =[ 5 3 4 ]
[ 2 6 1 ]
[ 7 1 5 ]
find B.
What is B = [ 7 5 6 ]
[ 5 3 5 ]
[ 4 4 3 ]
A sum of money is invested at 6% simple interest per year. After 4 years, the interest earned is $480. What was the original investment?
What is $2000
A man buys a horse for 600, sells for 700, buys back for 800, sells for 900. Profit?
What is 200