

average and difficult Rounds
Presentation
•
Mathematics
•
9th - 12th Grade
•
Practice Problem
•
Medium
Phor Whattha
Used 1+ times
FREE Resource
3 Slides • 11 Questions
1
By Phor Whattha
​Each question has 2 points
2
Multiple Choice
កម្មករ 8 នាក់ សង់ផ្ទះមួយហើយប្រើរយៈពេល 15 ថ្ងៃ ។ បើកម្មករ 12នាក់ សង់ផ្ទះនោះហើយប្រើរយៈពេលប៉ុន្មានថ្ងៃ?
8 workers built a house and it took 15 days. If 12 workers built the house, how many days would it take?
8
10
11
22.5
3
Fill in the Blanks
.រូបមន្ដបរិមាត្ររង្វង់ស្មើនឹង ។
ត្រូវ ឬ ខុស។
The circumference of a circle is equal to .
True or False.
4
Multiple Choice
Find the value of x to x/3 - 3/6 + x/9 - x/12 = 1 - 1/2 + 1/3 - 1/4
x = 0
x = 1
x = 2
x = 3
5
Multiple Choice
Simplify the expression 3(2x - y) + 5y
ធ្វើឱ្យកន្សោម 3(2x - y) + 5y សាមញ្ញ
6x - 2y
6x + 4y
5x + 5y
6x + 2y
6
Fill in the Blanks
Sequence: first term 5, term-to-term rule “add 3” in 4 terms
លំដាប់៖ ពាក្យទីមួយ
5
5, ច្បាប់ពីពាក្យមួយទៅពាក្យមួយទៀត “បូក 3” ក្នុង 4 ពាក្យ
7
3 points each question
8
Open Ended
Inequality 3x−5>103x−5>10
វិសមភាព ៣x − ៥ > ១០៣x−៥>១០
9
Open Ended
ពហុគុណរួមតូចបំផុត (LCM) នៃ 81 និង 225 ស្មើនឹង 2025
The least common multiple (LCM) of 81 and 225 is 2025.
10
Open Ended
ដីចំការមួយមានរាងត្រីកោណ មានរង្វាស់ជ្រុងទី1 ស្មើនឹង 16m រង្វាស់ជ្រុងទី2 ស្មើនឹង 2/7 នៃបរិមាត្រ និងរង្វាស់ជ្រុងទី3ស្មើ
នឹង 1/3 នៃបរិមាត្រ។តើដីចំការនោះមានបរិមាត្រស្មើនឹងប៉ុន្មាន?
A plot of land is triangular in shape, with the first side measuring 16m, the second side measuring 2/7 of the perimeter, and the third side measuring
1/3 of the perimeter. What is the perimeter of the plot of land?
11
5 points each question
12
Open Ended
If the formula for the perimeter of a rectangle is P = 2(l + w), and you are given that P = 40 and the length (l) is three times the width (w), find the value of the length (l).
ប្រសិនបើរូបមន្តសម្រាប់បរិមាត្រនៃចតុកោណកែងគឺ P = 2(l + w) ហើយអ្នកត្រូវបានផ្តល់ឱ្យថា P = 40 ហើយប្រវែង (l) គឺបីដងនៃទទឹង (w) សូមរកតម្លៃនៃប្រវែង (l)។
13
Open Ended
If A = 2x - 3y and B = x + 5y, find the value of 2A - B when x=6 and y=1.
ប្រសិនបើ A = 2x - 3y និង B = x + 5y សូមរកតម្លៃនៃ 2A - B នៅពេល x=6 និង y=1។
14
Open Ended
ដោះស្រាយសមីការ
Solve the equation
By Phor Whattha
​Each question has 2 points
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