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lesson 15: Addition and subtraction - 4A

English 10 Public

Addition and subtraction

Study Slideshow

what's this?

addition

10

what's this?

subtraction

20

what's this?

plus/ add

15

what's this?

equal

20

what's this?

minus /subtract

20

what's this?

minuend

10

what's this?

subtrahend

20

what's this?

difference

25

what's this?

addend

25

what's this?

sum

15