Factorization
What are the prime factors of 24?
2*2*3*2
124- 104
20
102: 1
102
13*3
39
My bother was born in 1988, I was born before him by 7 years. How old I am?
My brother age
2023- 1988=35
My age: 35+ 7=42
42 years
Select the prime numbers in the following:
15, 22, 13, 23, 31
13, 23, 31
190- 189
1
1020:10
102
104*7
728
Our school is planning to have a field trip to Wonderland. there are 75 students in grade 6 and each bus can take no more than 23 students. How many buses have the school to book?
75: 23=3 R6
The school has to book 4 buses
Which numbers are composite:
14, 22, 100, 2, 1,
14, 22, 100
2001- 1999=
2
1075:25
43
555*55
30525
Our school is planning to have a field trip to Wonderland for grade 6s. The trip costs $1875. There are 75 students in total. How much each student has to pay?
1875: 75= 25
What is the Greatest Common Factor of:
12, 6
2*3= 6
What is my brother's age if he was born in 1987?
36 years
5005:5
1001
789*10
7890
Our school is planning to have a field trip to Wonderland for grade 6s. The trip costs $1875. There are 75 students in total but two students paid only half and one excused from paying, How much money is missing to pay full amount?
Each student has to pay: $25
1875: 75= 25
Two students pay half:
12.5+12.5=25
and one student didn't pay,
then the school has to pay: 25+25= 50
What is the Greatest Common Factors of the following numbers:
12, 13
1
In a basketball game 6B vs 6C, 6B mark 103 points, it was more than 6C by 22 points. How many points 6C made?
81
5080:508
10
123*120
14760
Grade 6B collect S467 for Palestine fundraising. 10 student in grade 6C collect $23 and each of the rest of students collected $17, there are 23 students. Which class collected more money? How much difference?
Total money collected from 6C:
23* 10=230
13*17=221
The total: 221+230 =$451
Grade 6B collected more money than grade 6C.
The difference: 467- 451=$16