Counting by Tens and Understanding 10 Frames

The video tutorial covers counting by tens, identifying missing numbers, and using 10 frames to visualize numbers. It begins with counting by tens and finding the missing number in a sequence. The tutorial then explains what 10 frames are and how to use them to represent numbers, specifically focusing on creating groups of 20 and 40 using these frames.

What number is missing in the sequence: 10, 20, __, 40, 50?

• 35

• 30

• 25

• 40

Tags

CCSS.1.NBT.A.1

If you are counting by tens, what number comes after 20?

• 35

• 40

• 30

• 25

Tags

CCSS.1.OA.A.1

What is a 10 frame?

• A block with 15 objects

• A block with 20 objects

• A block with 10 objects

• A block with 5 objects

Tags

CCSS.1.NBT.B.2B

CCSS.1.NBT.B.2C

How many groups of 10 make up the number 20?

• 3

• 4

• 2

• 1

Tags

CCSS.1.NBT.A.1

Which choice correctly shows 20 using 10 frames?

• Choice C: 10, 20, 30

• Choice B: 10, 20, 30, 40

• Choice A: 10, 20

• Choice D: 10, 30

Tags

CCSS.1.NBT.B.2B

CCSS.1.NBT.B.2C

How many 10 frames are needed to make 40?

• 5

• 4

• 3

• 2

Tags

CCSS.2.OA.A.1

What is the final number when you add four 10 frames together?

• 60

• 50

• 40

• 30

Tags

CCSS.2.OA.A.1