Decomposing Teen Numbers

This video tutorial teaches children how to decompose teen numbers into tens and ones. It begins with an introduction to the concept, followed by examples of decomposing numbers from 11 to 19. The video includes a practice activity with a downloadable worksheet and guided practice using dots to visualize the decomposition. The lesson concludes with a summary and farewell.

What is the main focus of this lesson?

• Subtracting single-digit numbers

• Adding single-digit numbers

• Decomposing teen numbers

• Composing teen numbers

Which number is decomposed into ten and one?

• Twelve

• Eleven

• Thirteen

• Fourteen

How is the number twelve decomposed?

• Ten and five

• Ten and four

• Ten and two

• Ten and three

What is the decomposition of the number fifteen?

• Ten and five

• Ten and four

• Ten and six

• Ten and seven

Which of the following is the correct decomposition for seventeen?

• Ten and six

• Ten and nine

• Ten and eight

• Ten and seven

What is the decomposition of nineteen?

• Ten and six

• Ten and seven

• Ten and nine

• Ten and eight

What is the decomposition of the number thirteen?

• Ten and three

• Ten and two

• Ten and four

• Ten and five

Which number is decomposed into ten and six?

• Sixteen

• Nineteen

• Seventeen

• Eighteen

What should you do first when practicing decomposing numbers?

• Draw two dots

• Draw four dots

• Draw five dots

• Draw ten dots

How many dots should you draw to represent the number ten?

• Ten

• Twenty

• Fifteen

• Five