1
Arrangements of objects, pictures, or numbers in rows and columns
What is an array?
Same number of objects in each group
An example is 10-4=6
What is an equation?
A group of 10 hundreds
These symbols ( >, <, =) are used between numbers to
What is compare?
arrangement of numbers, shapes, objects, one above the other
What is a column?
This is adding groups of numbers together multiple times. For example: 2+2+2+2
What is repeated addition?
This is where numbers or objects are written from right to left in a horizontal line.
What is a row?
This is when you can make groups of ten when performing operations such as addition or subtraction.
What is regrouping?
300+20+9 is written in this form
This can be shown as equal groups
What is an even number?
This cannot be shown as equal groups
What is an odd number?
A number that is added to another
What is an addend?
The 3 in 329 is in this place value
What is hundreds?
554+267=
What is 821?
150+155+75=
What is 380?
692-400=
What is 292?
A result of a subtraction problem
What is difference?
The 2 in 729 is in this place value
What is tens?
787-568=
What is 219?
A result of an addition problem
What is a sum?
These are numbers that can help you add mentally.
What is a compatible number?
a group of 10 tens
What is a hundred?
Three hundred twenty-nine is written in
428+158=
What is 586?