“12 people are in a room and 4 leave. how many are left?”
What operation do you need to solve this problem
Subtraction
What does it mean to separate something equally?
To have the same amount on all sides
Jonny has 3 apples someone gives him some more and now he has 7.
what operation should you use to solve
Subtraction
Kara has 2 pencils and Alvin has 3 how many do they have all together
what operation is needed to solve this problem
Addition
What is a sum
The answer
Juan has 2 scoops of ice cream. Sam has 3 scoops. How many scoops do they have in all? How would you write this as an addition sentence?
2+3=5
What is an addition sentence
Addition laid out in a straight line
Ex.
__+__=__
What is a digit
A single number
How many hands are on a clock?
3, the minute hand, hour hand, and seconds hand.
What is an addend
What is a multiplier in a multiplication sentence
The number being multiplied
What is a subtraction sentence?
subtraction laid out in a straight line
Ex.
__-__=__
All together, sum, how many more
All mean to?
Add
What is the product in a multiplication sentence
The answer
How many minutes is each number on a clock worth?
5 minutes
What is area
The amount of square units that fit into a shape
What is a estimate?
A rough or educated guess
More than, less than, take away
Are all terms that means to?
Subtract
What does “<” mean
Less than
What is perimeter
The amount of square units that fit AROUND a shape
“If 4 different kids have 2 apples in the classroom how many apples are in the classroom”
what operation is needed to solve this problem
Multiplication
What is an open number line
A blank number line that YOU fill in
What is extended form?
Writing a number by the value of each digit
Ex.
423= 400+20+3
How many DIGITS are in 1000
4
What does this “>”sign mean
More than