2.3 Math Review

Front

What is addition?

Back

Addition is the process of finding the total or sum by combining two or more numbers.

Tags

CCSS.1.OA.A.1

Front

What is a number bond?

Back

A number bond is a visual representation that shows how two numbers combine to make a total.

Front

What does the equation 9 + 5 = 14 mean?

Back

It means that when you add 9 and 5 together, you get 14.

Tags

CCSS.2.OA.C.3

Front

What are addends?

Back

Addends are the numbers that are added together in an addition problem.

Tags

CCSS.3.NF.A.3B

CCSS.3.NF.A.3A

CCSS.4.NF.A.1

Front

What is the sum?

Back

The sum is the result of adding two or more numbers together.

Tags

CCSS.1.OA.A.1

Front

If 7 + 3 = 10, what is 3 in this equation?

Back

3 is the addend that, when added to 7, gives the sum of 10.

Tags

CCSS.1.OA.D.8

Front

What is a math sentence?

Back

A math sentence is a statement that shows a mathematical relationship, like an equation.

Front

What is the equation to find out how many cats Nat has if he has 7 dogs and 10 pets in total?

Back

7 + ? = 10, where ? is the number of cats.

Tags

CCSS.2.OA.A.1

Front

What is the relationship between addition and subtraction?

Back

Subtraction is the opposite of addition; if you know that 5 + 4 = 9, then 9 - 4 = 5.

Tags

CCSS.2.NBT.B.5

Front

What does it mean to complete a number bond?

Back

Completing a number bond means finding the missing number that, when added to another number, gives a total.