Unit 1
Something that you see again and again
pattern
To talk about
discuss
A stick of ones that is always equal to 10.
Ten stick.
A way of counting with lines that makes groups of five.
Tally Marks
A flat shape you can't pick up
Two dimensional
To finish something
complete
Use pictures or numbers to show how you got the answer.
Show your work
When the total is one of the teen numbers.
Teen total
The numbers or pictures that tell us something
Data
A shape that has height, width, and depth
Three dimensional shape
extend
To give something a name so you know what it is.
Label
To notice how two things are the same or different.
Compare
A way to label a group of things that have something in common
Category
Lines that run next to each other but don't touch
parallel lines
The number you get when you add two or more numbers together
total
The number you get when you subtract one number from another number.
Difference
Numbers 10, 20, 30, 40, 50, 60, 70, 80, 90
Decade number
To put things that are the same in some way together
Sort
To divide or cut.
Partition
A math sentence
How two things are connected or the same. What two things have in common.
Relate
To show something, often with a picture
Represent
Comparison Bars
A corner where the edges meet on a three dimensional shape
Vertex- vertices