Christmas Math

Front

What is a fraction?

Back

A fraction represents a part of a whole. It is written as two numbers separated by a line, like 1/2, where the top number is the part and the bottom number is the whole.

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

Front

What does the numerator in a fraction represent?

Back

The numerator is the top number in a fraction. It shows how many parts we have.

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

Front

What does the denominator in a fraction represent?

Back

The denominator is the bottom number in a fraction. It shows how many equal parts the whole is divided into.

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

Front

What is the fraction of gifts that have dots if there are 2 gifts with dots out of 6 total gifts?

Back

2/6

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

Front

What is the fraction of gifts that have bows if all 6 gifts have bows?

Back

6/6 or 1 (which means all gifts have bows).

Tags

CCSS.3.G.A.2

Front

How do you calculate the total number of items if you know the rate and time?

Back

Multiply the rate by the time. For example, if Hermey wraps 6 presents an hour for 5 hours, he wraps 6 x 5 = 30 presents.

Tags

CCSS.6.RP.A.3B

Front

If Julianna has 48 bags of treats and gives 3 to her teacher, how many does she have left?

Back

48 - 3 = 45 bags of treats.

Tags

CCSS.2.OA.A.1

Front

How do you divide items equally among friends?

Back

Subtract the items given away from the total, then divide the remaining items by the number of friends.

Tags

CCSS.3.OA.A.2

Front

If Julianna has 45 bags of treats and gives them equally to 5 friends, how many bags does each friend get?

Back

45 ÷ 5 = 9 bags of treats.

Tags

CCSS.3.OA.A.2

Front

What is a dozen?

Back

A dozen is a group of 12 items.

Tags

CCSS.3.OA.D.9