Greatest Common Factors
Lowest Common Multiples
Math Vocabulary
Fractions
Random
100

The numbers are 12 and 18. This number is the greatest factor they share.

What is 6?

100

The numbers are 3 and 6. What is the smallest number they both go into?

What is 6?

100

What does the term greatest common factor mean?

It means the biggest number that is a factor of two or more numbers.

100

This benchmark fraction is the same as 0.5 and means “half.”

What is 1/2?

100

 This animal is Ms. Corbett’s absolute favourite.

What are cats?

200

The numbers are 8 and 12. What is their greatest common factor?

What is 4?

200

The numbers are 4 and 5. What is their lowest common multiple?

What is 20?

200

What does lowest common multiple mean?

It means the smallest number that two or more numbers can multiply to make.

200

This benchmark fraction is one out of four equal parts.

What is 1/4?

200

This pop star is Ms. Corbett’s favourite singer.

Who is Taylor Swift?

300

The numbers are 10 and 15. What is the GCF?

What is 5?

300

The numbers are 2 and 7. What is the LCM?

What is 14?

300

In a fraction, what does the numerator tell us?

It tells how many parts we have.

300

This benchmark fraction is three out of four parts, and it is close to one whole.

What is 3/4?

300

Ms. Corbett’s favourite rapper is the artist known for songs like “HUMBLE” and “DNA.”

Who is Kendrick Lamar?

400

 The numbers are 14 and 21. What is the GCF?

What is 7?

400

The numbers are 6 and 8. What is the lowest common multiple?

What is 24?

400

In a fraction, what does the denominator show?

It shows how many equal parts the whole is divided into.

400

This benchmark fraction is equal to one whole because the numerator and denominator are the same.

What is 1/1 or a whole?

400

 Ms. Corbett’s favourite kind of cat has these two colours.

What are black and white cats?

500

The numbers are 16 and 24. What is the greatest common factor?

What is 8?

500

The numbers are 5 and 12. What is the LCM?

What is 60?

500

What is a factor?

A factor is a number that divides another number with no remainder.

500

When a fraction is close to 1/2, we say it is “about half.” Which benchmark fraction do we use for estimating?

What is 1/2?

500

This teacher loves music, cats, and teaching Grade 7/8 in Portable 7.

Who is Ms. Corbett?

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