Algebra
Solve X where 5X = 20.
x=4
Multiply the two numbers 1024 and 234.
2 3 9 6 1 6
Calculate the area of a rectangle with a length of 8 cm and a width of 5 cm.
40cm2
What is a Prime number?
numbers greater than 1 that only have two factors, 1 and the number itself.
Factorize: x(2x + 5) – 3
(x + 3)(2x – 1).
Irene is N years old. If Tom is twice as old, which of the following algebraic statements shows his age now?
2 x N or 2N.
The cost of a wooden chair is Rs.1357. What is the cost of 24 chairs?
32568
How much degree is a right Angle?
90 degrees
Find the common factors of 10 and 16
common factors are 1 and 2.
Factorize: 4x2y – 44x2y + 112xy
4xy(x - 7)(x - 4)
The ratio of the height of two buildings is 7 to 5. The first building is 210 feet tall. How tall is the second building?
x=150
Three factories in a town produced 163846, 657853 and 875436 bags of sand last year. Find the total bags of sand produced by the three factories.
163846+ 657853+ 875436 = 1697135
how much degree is a complementary angle?
Add up to 90 degrees
Why is 1 not considered to be prime?
The number 1 is divided by 1 itself. Thus, it cannot have any other factor. Hence, 1 is not considered to be prime.
Mathematical problem-solving skills can be important in everyday life?
True or False
True
6x - 10 = 4(x + 3). Solve for x.
x=11
The sum of two number is 236574. If one number is 145634, find the other number.
236574 – 145634 =90940
What is a line segment?
Has two end points
List some sets of whole numbers
0,1,2,3,4,5...
The perimeter of a rectangle is 256 inches. How long are the sides if the length exceeds the width by 16 inches?
56
Factor the polynomial 5x - 15.
5(x - 3)
A farmer had 104832 apples in his orchard. 442 apples were packed in each carton and the remaining decayed. How many cartons were made? How many apples decayed?
104832÷ 442=237
A complete angle is measure360 degrees.
True or False
True
Can a negative number be an integer?
Yes, but should not have a decimal or fractional part.
The length of a rectangle is 3 times its width. If the length were increased by 2 inches and the width by 1 inch, the new perimeter would be 62 inches. What is the width and length of the rectangle?
2(4w + 3) = 62