Addition and Subtraction Vocab.

Question 1

In the equation 8 + 3 = 11, 11 is the ________________ .

Accepted Answer

sum

Question 2

Match the word with its definition: decompose

Accepted Answer

to break apart

Question 3

I can use _____________________ to break apart numbers into expanded form & add like values

Accepted Answer

partial sums

Question 4

Commutative, zero, and identity are examples of _________________ I can use to help me add.

Accepted Answer

properties

Question 5

Match the word with its definition: sum

Accepted Answer

the answer to an addition problem

Question 6

Match the word with its definition: compose

Accepted Answer

to put together

Question 7

Match the word to the definition: to break apart

Accepted Answer

decompose

Question 8

Match the word with its definition: partial sums

Accepted Answer

the answer to a subtraction problem, breaking numbers down into expanded form & adding by value

Question 9

In the equation 5 + 7 = 12, 5 and 7 are ____________ .

Accepted Answer

addends

Question 10

Match the word with its definition: properties

Accepted Answer

rules about how numbers work

Question 11

Match the definition to the correct word: rules about how numbers work

Accepted Answer

properties

Question 12

Match the definition to the correct word: a number that is being added

Accepted Answer

addend

Question 13

Match the word with its definition: difference

Accepted Answer

the answer to a subtraction problem

Question 14

Match the definition to the correct word: to put together

Accepted Answer

compose

Question 15

I can _______________ a flat in to ten rods.

Accepted Answer

decompose

Question 16

Match the definition to the correct word: the answer to a subtraction problem

Accepted Answer

difference

Question 17

Match this word with it's definition: addend

Accepted Answer

a number that is added to another

Question 18

I can ________________ by using 10 units to trade in for a rod.

Accepted Answer

compose

Question 19

Match the definition to the correct word: the answer to an addition problem

Accepted Answer

sum

Question 20

Match the definition to the word: breaking numbers down into expanded form & adding like values

Accepted Answer

partial sums

Question 21

In the equation 12 - 8 = 4, 4 is the ________________.

Accepted Answer

difference

Questions 21