WE
Read the problem. Decide what operation you would use to solve.
Bennie eats 2 cups of food per day. How much does Bennie eat in 1 week?
multiplication
OR
repeated addition
Read the problem. Decide what operation you could use to solve.
Mrs. Lewandowski bought 72 pencils and wanted to divide them equally amongst 9 students. How many pencils would each student get?
division
Read the problem. Decide what operation you should use to solve.
Mrs. Lewandowski bought 12 new plants for her garden. A frost came and 2 died. Then a rabbit came and ate 4 more. How many flowers does Mrs. Lewandowski have left in her garden?
subtraction
Describe the following skill.
4 + 4 + 4 + 4 + 4 = 20
repeated addition
Describe the following skill.
16 - 4 = 12 - 4 = 8 - 4 = 4 - 4 = 0
repeated subtraction
(3 x 5) x 2 = 3 x (5 x 2)
associative
Which property says the order doesn't matter in addition OR multiplication.
3 x 5 = 5 x 3
10 + 5 = 5 + 10
communitive
Which property in multiplication says anything times 1 is itself.
100 x 1 = 100
identity
Which property in multiplication breaks down problems to make them easier to solve?
16 x 5 = (4 x 5) + (4 x 5)
distributive
parentheses
The answer to an addition problem
SUM
The answer to a subtraction problem
DIFFERENCE
The answer to a multiplication problem
The answer to a division problem
What is a fraction called when it has a 1 on top, or is 1 part of the whole?
1/4 1/6 1/8
unit fraction
When telling time, the smaller hand is the....
hour hand
minute hand
In subtraction, you must ALWAYS have the _________________ number on TOP.
larger
Name 3 things you should ALWAYS do on the math open-ended PSSA question.
Show your work.
Take your time.
Write your steps.
Write a detailed description.
Label your answer.
Box your answer.
Circle your answer.
Read over your work.
Use math vocabulary words.
The top number in a fraction is called the...
numerator
denominator
When 3 numbers make up a set of related math facts, what do we call this?
3 x 5 = 15 5 x 3 = 15
15 / 3 = 5 15 / 5 = 3
3, 5, 15
fact family
Example: 2 x 3 = 6 3 x 2 = 6
6 / 2 = 3 6 / 3 = 2
related facts
Mrs. Lewandowski wanted to bring in goldfish for her students. One box weighed 3 lbs and she needed 5 boxes. How much will her boxes weigh in all?
multiplication
OR
repeated addition
Read the following problem. What operation should you use to solve this problem?
Mrs. Lewandowski was buying freeze pops for her class. She bought 18 red freeze pops, 15 blue, 12 orange, and 10 purple. How many freeze pops did she buy in all?
addition