Divisibility Rules
Perimeter
Area
Worded Problems
100
What is the divisibility rule for 5?
The last digit must end with a 0 or 5.
100
How do you find out the perimeter?
Add all of the sides.
100
How do you find area?
LxW
100
Each tub of Yochi frozen yoghurt costs $7, and a family buys 6 tubs. How much do they spend altogether?
Multiply the cost of each tub by the number of tubs purchased:
7×6=42
200
Is the number 42 divisible by 2? Why or why not?
Yes, ends with an even number.
200
What is the perimeter of a rectangle with a length of 8 cm and a width of 5 cm?
26 cm
200
What is the area of a rectangle with a length of 8 cm and a width of 5 cm?
40cm2
200
Ben loves icecream. He bought 27 chocolate ice creams and 35 vanilla ice creams for a party. How many ice creams does Ben have in total?
27 + 35 = 62
Answer: Ben has 62 ice creams in total.
300
Is 1235 divisible by 10?
No, doesn't end in a 0.
300
What is the perimeter of a rectangle with a length of 80 cm and a width of 55 cm?
270 cm
300
Bobby has a garden shaped like a rectangle that is 10 metres long and 7 metres wide. What is the area of his garden?
70cm2
300
Bruno Mars sold 72 concert tickets, and they are divided evenly into 9 sections in the stadium. How many tickets were sold in each section?
Divide the total number of tickets by the number of sections:
72 ÷ 9 = 8
400
What is the divisibility rule for 3?
Divisible by 3: The sum of the digits must be divisible by 3.
400
68cm
400
Refer to print out
64m2
400
A zoo has 5 enclosures, each with 14 animals. If 32 animals are moved away for medical treatment, how many are still left?
Step 1: Find the total number of animals in the zoo.
Each enclosure has 14 animals, and there are 5 enclosures:
Total animals = 5 × 14 = 70
Step 2: Subtract the number of animals that were moved for medical treatment.
Animals remaining = Total animals - Animals moved away
Animals remaining = 70 - 32 = 38
500
Is the number 72 divisible by 6?
The divisibility rule for 6 is:
A number is divisible by 6 if it is divisible by both 2 and 3.
- Divisible by 2: The number must be even (it ends in 0, 2, 4, 6, or 8).
- Divisible by 3: The sum of the digits must be divisible by 3.
500
34cm
500
If a square has an area of 49 square metres, what is the length of each side?
7cm2
500
School Supply Count
Mr P, Mrs Mitchell, and Miss Coad are organising classroom supplies.
- Mr P has 48 pencils in his room.
- Mrs Mitchell has 36 pencils, and Miss Coad has 52 pencils.
They decide to combine all the pencils and share them equally among 4 classrooms. How many pencils will each classroom receive?
Solution:
Step 1: Find the total number of pencils.
Add the pencils together:
48 + 36 + 52 = 136 pencils
Step 2: Divide the pencils equally among 4 classrooms.
136 ÷ 4 = 34 pencils per classroom