Examples for 8th grade
Number of problems found: 2980
Expression (3a-7).(3a+7) is identical with: ?
What is the reciprocal of the sum of the reciprocals of 4 and 9?
- Compare II
Which of the numbers 710, 107 is greater?
- Simple equation 6
Solve equation with one variable: X/2+X/3+X/4=X+4
- Six years
In six years, Jan will be twice as old as he was six years ago. How old is he?
- Equation with x
Solve the following equation: 2x- (8x + 1) - (x + 2) / 5 = 9
- Possible combinations - word
How many ways can the letters F, A, I, R be arranged?
- Sum of dividend
If X is divided separately 2.63 and 1.40. And the results of the individual divisions are added to give a result less than X. What is X?
- ATC camp
The owner of the campsite offers 79 places in 22 cabins. How many of them are triple and quadruple?
- First man
What is the likelihood of a random event where are five men and seven women first will leave the man?
- Simply equation
Solve this equation for x: ?
Solve the equation: 1/2-2/8 = 1/10; Write the result as a decimal number.
Can an equilateral triangle have a right angle?
- The hockey
The hockey player scored 6 goals from 15 shots. How many % was he successful?
- Midpoint 6
FM=8a+1, FG=42, a=? Point M is the midpoint of FG. Find unknown a.
Write smallest three-digit number, which in division 5 and 7 gives the rest 2.
Sum of interiol angles of 9-gon is:
In a class are 32 pupils. Of these are 8 boys. What percentage of girls are in the class?
- Reciprocal equation
Determine the root of the equation: 9/x-7/x=1
- Percentage increase
Increase number 400 by 3.5%