Exploring Fact Families in Mathematics

The video tutorial explains the concept of fact families, where numbers are related like family members. It demonstrates how to identify the largest number in a fact family and use it to solve two addition and two subtraction problems. The tutorial provides examples with different sets of numbers, showing how to arrange them in addition and subtraction equations. The lesson emphasizes checking the correctness of the solutions and understanding the relationships between numbers in a fact family.

What is a fact family?

• A group of shapes

• A group of related numbers

• A group of unrelated numbers

• A group of letters

Tags

CCSS.2.OA.C.4

Which number is always placed at the top of the triangle in a fact family?

• The middle number

• Any number

• The smallest number

• The largest number

Tags

CCSS.2.OA.C.4

Where do we place the largest number in addition problems?

• At the beginning

• In the middle

• At the end

• Anywhere

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

Where do we place the largest number in subtraction problems?

• Anywhere

• At the end

• In the middle

• At the beginning

Tags

CCSS.2.NBT.B.5

What is the result of 2 + 3 in the given fact family?

• 7

• 6

• 5

• 4

Tags

CCSS.1.OA.C.6

What is the result of 3 + 2 in the given fact family?

• 4

• 5

• 7

• 6

Tags

CCSS.1.OA.C.6

What is the result of 5 - 2 in the given fact family?

• 2

• 3

• 5

• 4

Tags

CCSS.6.EE.A.1

What is the result of 5 - 3 in the given fact family?

• 3

• 2

• 4

• 1

Tags

CCSS.1.OA.C.6

Which numbers are used in the second fact family example?

• 4, 5, 6

• 1, 2, 3

• 3, 4, 7

• 2, 3, 5

Tags

CCSS.2.NBT.B.5

What is the result of 7 - 4 in the second fact family example?

• 2

• 5

• 3

• 4