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Divisibility Rules and Prime Numbers

Divisibility Rules and Prime Numbers

Assessment

Interactive Video

Mathematics

6th - 7th Grade

Hard

Created by

Thomas White

FREE Resource

Teacher Diane introduces whole numbers and explores various divisibility rules, including those for 5, 9, 3, 6, and 9. The lesson includes problem-solving exercises involving arranging desks, distributing mangoes, and understanding odd numbers. Concepts like the greatest common divisor and least common multiple are applied to practical problems, such as synchronizing clocks. The video concludes with identifying prime numbers between 70 and 80.

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14 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a whole number?

A number without fractions

A number with fractions

A decimal number

A negative number

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following numbers is divisible by 5?

67

45

23

89

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do you determine if a number is divisible by 9?

Divide by 3 and check the remainder

Check if the number is even

Add the digits and see if the sum is divisible by 9

Check if the last digit is 9

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What must be true for a number to be divisible by 6?

It must be divisible by 2 and 3

It must be divisible by 9

It must be divisible by 5

It must be a prime number

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If a classroom has 27 desks, how many rows can be made with no desks left over?

12

9

3

15

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the divisibility rule for 4?

The number is even

The sum of digits is divisible by 4

The last two digits form a number divisible by 4

The last digit is 4

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many baskets can be made from 210 mangoes if each basket must have the same number of mangoes?

21

15

20

10

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