Addition
This is the number you get when you add two or more addends together
What is "sum"?
This word names the result when you take one number away from another.
What is “difference”?
When equal groups are combined, the total can be found using this operation.
What is “multiplication” or “product”?
A number that cannot be split into two equal whole-number groups — not divisible by 2 — is called this
What is “odd”?
In 7 + 5 = 12, the numbers 7 and 5 are each called this
What is “addend”?
This symbol means to take away
What is “minus”?
The numbers you multiply together (like 3 and 4 in 3 × 4) are called this.
What are “factors”?
A number that can be split into two equal whole-number groups is called this.
What is “even”?
This symbol means to add numbers, and the word that goes with it is also used in sentences
What is “plus”?
When one amount is smaller than another, we often use this short word in subtraction questions.
What is “less”?
A picture with rows and columns of squares used to show multiplication is called this.
What is “array”?
A picture shows 3 rows of 4 stars. Write an addition sentence (repeated addition) and a multiplication sentence
What is
4 + 4 + 4 = 12 and 4x3=12
or
3+3+3+3+3=12 and 3x4=12?
A long addition problem can be shown as parts connected on a tape; the whole is the total. Name the bar-model tool that shows parts and a whole
What is “tape diagram”?
A teacher shows 12 counters, then crosses out 5. The action of crossing out to find how many remain is called?
What is "what's left"?
If you have 5 groups with 2 in each group, the groups are called this phrase for multiplication problems.
What are “equal groups”?
This is a visual model used to help solve a multiplication problem like this 11 x 16 =_____.
See Picture
What is an area model?
Use repeated addition to show 4 + 4 + 4 + 4 another way using a multiplication idea. Name the repeated-addition term and the matching multiplication term
What are 4 groups of 4 equals product 16?
Write a subtraction story problem that matches this equation.
What is 14−9=5?
Explain why any product that includes an even factor must be even.
What is because even factor is divisible by 2, so the product has 2 as a factor and is therefore even?
This is a visual model used to help you solve a multiplication problem like : There are 3 Firetrucks in the parade. Each Firetruck has 5 fireman inside. How many fireman are riding in the parade?
See Picture.
What is a tape diagram?