Tens and Ones: Building Numbers!

Math Grades 1st Grade 6:59 Video
Print Lesson Plan Watch Video

Lesson Description

Learn how to match tens and ones to make double-digit numbers. Understand place value by identifying how many tens and ones are in a number.

Video Resource

Matching Tens and Ones | 1st Grade | Math | Kids Academy

Kids Academy

Duration: 6:59
Watch on YouTube

Key Concepts

  • Place Value
  • Tens
  • Ones

Learning Objectives

  • Students will be able to identify the number of tens and ones in a two-digit number.
  • Students will be able to represent two-digit numbers using tens and ones blocks or drawings.

Educator Instructions

  • Introduction (5 mins)
    Begin by asking students what they know about numbers. Can they count to 20? What happens after 9? Introduce the idea that numbers can be made up of smaller parts, like tens and ones.
  • Video Viewing (7 mins)
    Watch the YouTube video 'Matching Tens and Ones | 1st Grade | Math | Kids Academy'. Pause at key points to emphasize the explanations about place value.
  • Guided Practice (10 mins)
    Use manipulatives (like base-ten blocks or even just bundled straws) to represent numbers from 11 to 19. Guide students to build the numbers, explaining that the 'ten' is a group of ten ones and the other digit represents the individual ones.
  • Independent Practice (10 mins)
    Give students worksheets with pictures of base-ten blocks representing numbers. They should write the corresponding number, circling the tens and ones place.
  • Wrap-up (3 mins)
    Review the concept of tens and ones. Ask students to give examples of numbers and identify how many tens and ones are in each.

Interactive Exercises

  • Number Building Game
    Call out a number (e.g., 15). Students use base-ten blocks (or drawings) to show the number using one ten and five ones.
  • Tens and Ones Matching
    Create cards with numbers and cards with corresponding tens and ones representations (e.g., '13' and a card with one ten block and three ones blocks). Students match the cards.

Discussion Questions

  • What does the number in the ones place tell you?
  • What does the number in the tens place tell you?
  • How is 12 different from 21?
  • Can you show me the number 14 with your fingers? How many hands show 'ten'?

Skills Developed

  • Understanding Place Value
  • Number Recognition
  • Problem-Solving

Multiple Choice Questions

Question 1:

Which number shows 1 ten and 2 ones?

Correct Answer: 12

Question 2:

How many ones are in the number 17?

Correct Answer: 7

Question 3:

Which number has 1 ten and 4 ones?

Correct Answer: 14

Question 4:

What does the 1 in the number 19 stand for?

Correct Answer: 1 ten

Question 5:

How many tens are in the number 11?

Correct Answer: 1

Question 6:

If you have 1 ten and 6 ones, what number do you have?

Correct Answer: 16

Question 7:

Which shows 1 ten and 8 ones?

Correct Answer: 18

Question 8:

The number 13 has how many ones?

Correct Answer: 3

Question 9:

What is the number if you have one ten and nine ones?

Correct Answer: 19

Question 10:

Which number shows only ones?

Correct Answer: 9

Fill in the Blank Questions

Question 1:

The number 15 has 1 _____ and 5 ones.

Correct Answer: ten

Question 2:

In the number 12, the 2 is in the ______ place.

Correct Answer: ones

Question 3:

The number 18 is made of 1 ten and _____ ones.

Correct Answer: 8

Question 4:

A ten is the same as 10 ________.

Correct Answer: ones

Question 5:

If you have 1 ten, you have ______.

Correct Answer: 10

Question 6:

In the number 14, the 1 is in the ______ place.

Correct Answer: tens

Question 7:

The number 16 has 6 ones and ______ ten.

Correct Answer: 1

Question 8:

A ten looks like a long line made of ten ________.

Correct Answer: cubes

Question 9:

The number _______ has 1 ten and 7 ones.

Correct Answer: 17

Question 10:

If you only have ones, the highest number you can have is ______.

Correct Answer: 9

Educational Standards

CCSS.Math.Content.1.NBT.B.2:Understand that the two digits of a two-digit number represent amounts of tens and ones. CCSS.Math.Content.1.NBT.B.2.A:10 can be thought of as a bundle of ten ones — called a 'ten.' CCSS.Math.Content.1.NBT.B.2.B:The numbers from 11 to 19 are composed of a ten and one, two, three, four, five, six, seven, eight, or nine ones.

Teaching Materials

Download ready-to-use materials for this lesson:

Student Worksheet Classroom Slides Assessment Quiz Export to Google Docs
Add to Google Classroom

User Actions

Sign in to save this lesson plan to your favorites.

Sign In

Share This Lesson

Related Lesson Plans