Number Sense Addition and Subtraction

721-127=

• 593

• 594

• 494

• 493

69-45=

• 23

• 44

• 34

• 24

79-26=

• 63

• 53

• 73

• 93

2+3+4+5+...+10=

• 24

• 34

• 44

• 54

Which words mean:

a symbol that means to add or combine?

• minus sign

• equal sign

• plus sign

• division sign

Which word means:

the amount that comes from adding two or more numbers?

• subtraction

• sum

• digit

• difference

Which word means:

the whole amount; the answer to an addition problem?

• total

• dividend

• less

• more

The answer to a subtraction problem.

• sum

• difference

• product

• quotient

What you add to a number to get zero. It is another name for opposites.

• opposite

• additive inverse

• absolute value

• integer

The answer to an addition problem

• sum

• difference

• product

• quotient