tally marks

Front

What are tally marks?

Back

Tally marks are a way to count and keep track of numbers using lines. Each group of five lines is called a 'tally group.'

Front

How do you make a tally mark?

Back

You draw a vertical line for each count. For every fifth count, you draw a diagonal line across the previous four.

Tags

CCSS.1.MD.C.4

Front

What does a group of five tally marks look like?

Back

Four vertical lines with a diagonal line crossing them, like this: ||||\.

Tags

CCSS.1.NBT.A.1

Front

If you have 3 tally marks, how many do you have?

Back

You have 3.

Tags

CCSS.1.NBT.A.1

Front

If you have 5 tally marks, how many do you have?

Back

You have 5.

Tags

CCSS.1.NBT.A.1

Front

How many tally marks are in a group of ten?

Back

There are two groups of five tally marks, so it looks like this: ||||\ ||||\.

Tags

CCSS.1.NBT.A.1

Front

What is the purpose of using tally marks?

Back

Tally marks help us count things easily and quickly.

Tags

CCSS.1.MD.C.4

Front

If you see 2 tally marks, how many does that represent?

Back

That represents 2.

Tags

CCSS.1.NBT.A.1

Front

How many tally marks would you draw for the number 4?

Back

You would draw four vertical lines: ||||.

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CCSS.2.OA.C.3

Front

If you have 6 tally marks, how many groups of five do you have?

Back

You have 1 group of five and 1 extra tally mark.

Tags

CCSS.1.NBT.A.1