Addition
100 + 100 = ?
200
200 - 100 = ?
100
What is a digit?
Any number!
I have 100 apples and Merida gives me 200 more apples. How many apples do I have?
300 apples
100 + 200 = 300
What does SUM mean?
the ANSWER you get when you add two numbers together
200 + 150 = ?
350
300 - 150 = ?
150
What makes a number a three digit number?
It has three digits?
Lionel had 200 pencils but lost 100 of them. How many pencils does he have now?
100 pencils
200 - 100 = 100
What does addend mean?
The number you are adding
350 + 250 = ?
600
350 - 250 =?
100
is 300 a three digit number?
Yes! It has three numbers or three digits!
Antonella has 450 bows and her mom makes her 250 more bows. How many bows does she have?
700 bows
450 + 250 = 700
Name another word for addition
add, plus, put together
425 + 350 = ?
775
450 - 300 = ?
150
Is 27 a three digit number?
No, it only has two numbers or two digits!
Isaac had 500 video games but gave 250 to his friend. How many video games does Isaac have left?
250 video games
500 - 250 = 250
Name another word for subtraction
minus, subtract, take away, break apart
675 + 300 = ?
975
725 - 375 = ?
350
Give an example of a three digit number?
Any number between 100 and 999
Our class went to the park and found 475 rocks. We dropped 175 on the way home. How many rocks do we have left?
300 rocks
475 - 175 = 300
What does more mean?
Addition