Understanding Tally Marks and Data Representation

The video lesson revisits tally charts and pictograms, focusing on reading and using tally marks. It begins with a warm-up exercise involving number clues, followed by an explanation of pictograms and tally charts. The lesson includes practical exercises in a rainforest setting, where students count animals using tally marks. It concludes with questions and answers to reinforce understanding and a review of key concepts.

What number is the teacher thinking of if it is between 1 and 10, greater than 6, and even?

• 6

• 12

• 8

• 10

Which number fits the clues: between 1 and 20, odd, and greater than 15 but less than 19?

• 19

• 21

• 17

• 15

If a number has a 5 in the units place, is between 1 and 20, and is two digits, what is it?

• 15

• 10

• 20

• 5

What is a pictogram?

• A chart using numbers

• A type of equation

• A list of data

• A graph using pictures

What is a tally chart used for?

• Solving equations

• Writing essays

• Drawing pictures

• Counting large amounts of data

How many tally marks represent the number 4?

• 6

• 3

• 4

• 5

How do you record the number 5 using tally marks?

• Four lines with a diagonal line through them

• Five separate lines

• Two lines with a cross

• Three lines with a circle

In the rainforest activity, how many birds were there?

• 6

• 5

• 4

• 3

How many dogs were found in the rainforest activity?

• 2

• 3

• 1

• 4

In the rainforest activity, how many mosquitoes were there?

• 2

• 3

• 4

• 5