Math 2.NR.2.1 Vocabulary Words

What are Fact Families?

• a group of math facts that use the same set of numbers.

• numbers that have no relation

• all the numbers that look alike

• 4 numbers that you add together to get an answer

Tags

CCSS.2.OA.C.4

What is an unknown number?

• zero is an unknown number

• A number that has no friends

• A number we do not know

• numbers that are subtracted

Tags

CCSS.5.OA.B.3

What is a SUM?

• when you subtract two or more numbers

• The total amount when adding two or more number

• what you see in a picture model

• an equation

Tags

CCSS.2.OA.C.3

What does it mean to SUBTRACT?

• To find the difference between two amounts

• To add two numbers together

• to show unknown numbers

• to fill in the blanks

Tags

CCSS.4.OA.A.3

To put together two amounts, means you will ______?

• divide

• subtract

• add

• multiply

Tags

CCSS.2.NBT.B.7

Difference is....

• The result from subtracting

• adding two or more numbers

• two numbers connected by an equal sign

• bars to show unknown numbers

Tags

CCSS.7.NS.A.3

Using bars or boxes to show unknown numbers is called what strategy?​ (a)  

• Picture model
• Bar Model
• Equation

Tags

CCSS.2.OA.A.1

Using pictures to show to show number is what strategy?​ (a)  

• Picture Model
• Bar Model
• Number Line

Tags

CCSS.2.OA.A.1

A WAY to solve your math problem is called what?

• answers

• thinking

• strategy

• numbers

Tags

CCSS.1.OA.A.1

What is the value of two numbers connected by an EQUAL SIGN?

• equation

• strategy

• balance

• same number

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2