Enhance your skills with the help of Big Ideas Math Book Grade K Answer Key Chapter 9 Count and Compare Numbers to 20. The mathematics of the elementary and middle school curriculum is not trivial. Starting from infancy and continuing throughout the preschool period, they develop a basic skills, concepts, and misconceptions about numbers and mathematics. Download Big Ideas Math Answers Grade K Chapter 9 Count and Compare Numbers to 20 from here.

## Big Ideas Math Book Grade K Answer Key Chapter 9 Count and Compare Numbers to 20

Test yourself by solving the problems from Big Ideas Math Book Grade K Answer Key Chapter 9 Count and Compare Numbers to 20. Make maths as your favorite subject by learning the simple tricks from Bigideas Math Answers Grade K Ch 9 Count and Compare Numbers to 20. Tap the below links to learn the chapter according to the list of the topics.

**Vocabulary**

**Lesson: 1 Model and Count 20**

**Lesson: 2 Count and Write 20**

**Lesson: 3 Count to Find How Many**

**Lesson: 4 Count Forward from Any Number to 20**

- Lesson 9.4 Count Forward from Any Number to 20
- Count Forward from Any Number to 20 Homework & Practice 9.4

**Lesson: 5 Order Numbers to 20**

**Lesson: 6 Compare Numbers to 20**

**Chapter: 9 – Count and Compare Numbers to 20**

### Count and Compare Numbers to 20 Vocabulary

**Directions:**

Count the fruit in each group. Write each number. Is the number of apples equal to the number of bananas? Circle the thumbs up for yes or the thumbs down for no. Circle the number that is greater than the other number.

Answer:

**Vocabulary Cards**

### Lesson 9.1 Model and Count 20

**Explore and Grow**

**Directions:**

Place 20 linking cubes on the carpet. Slide the cubes to the ten frames.

Answer:

**Think and Grow**

**Directions:**

Count the objects. Color the boxes to show how many.

Answer:

**Apply and Grow: Practice**

**Directions:**

**1 – 3** Count the objects. Color the boxes to show how many.

Question 1.

Answer:

Question 2.

Answer:

Question 3.

Answer:

Think and Grow: Modeling Real Life

**Directions:**

Count the objects in the picture. Color the boxes to show how many.

Answer:

### Model and Count 20 Homework & Practice 9.1

**Directions:**

**1** and** 2** Count the objects. Color the boxes to show how many.

Question 1.

Answer:

Question 2.

Answer:

**Directions:**

**3** and **4** Count the objects. Color the boxes to show how many. **5** Count the objects in the picture. Color the boxes to show how many.

Question 3.

Answer:

Question 4.

Answer:

Question 5.

Answer:

### Lesson 9.2 Count and Write 20

**Explore and Grow**

**Directions:**

Use linking cubes to show how many ants are in the story Ants at the Picnic. Write how many ants are in the story.

Answer:

**Think and Grow**

**Directions:**

- Count the grasshoppers. Say the number. Trace and write the number.
- Count the insects. Say the number. Write the number.

Answer:

Answer:

**Apply and Grow: Practice**

**Directions:**

**1 – 3** Count the insects. Say the number. Write the number.

Question 1.

Answer:

Question 2.

Answer:

Question 3.

Answer:

**Think and Grow: Modeling Real Life**

**Directions:**

Count the animals in the picture. Say the number. Write the number.

Answer:

### Count and Write 20 Homework & Practice 9.2

**Directions:**

**1** and** 2** Count the insects. Say the number. Write the number.

Question 1.

Answer:

Question 2.

Answer:

**Directions:**

**3** and **4** Count the insects. Say the number. Write the number. **5** Count the insects in the picture. Say the number. Write the number.

Question 3.

Answer:

Question 4.

Answer:

Question 5.

Answer:

### Lesson 9.3 Count to Find How Many

**Explore and Grow**

**Directions:**

You have 14 crayons in your box. Your friend has 11 crayons in his box. Use linking cubes to show the crayons in each box.

Answer:

**Think and Grow**

**Directions:**

Circle the group that has the given number of objects.

Answer:

**Apply and Grow: Practice**

**Directions:**

**1 – 3** Circle any group that has the given number of objects.

Question 1.

Answer:

Question 2.

Answer:

Question 3.

Answer:

**Think and Grow: Modeling Real Life**

**Directions:**

You have 20 coins in your piggy bank. You drop and break your piggy bank. Did you find all of your coins? Circle the thumbs up for yes or the thumbs down for no.

Answer:

### Count to Find How Many Homework & Practice 9.3

**Directions:**

**1** and **2** Circle the group that has the given number of objects.

Question 1.

Answer:

Question 2.

Answer:

**Directions:**

**3** and** 4** Circle any group that has the given number of objects. **5** You have 20 toys in your piñata. You break your piñata. Did you find all of your toys? Circle the thumbs up for yes or the thumbs down for no.

Question 3.

Answer:

Question 4.

Answer:

Question 5.

Answer:

### Lesson 9.4 Count Forward from Any Number to 20

**Explore and Grow**

**Directions:**

- Place 11 linking cubes on the ten frames. Trace the number.
- Place another cube on the ten frames. Write the number to tell how many.
- Place 1 more cube on the ten frames. Write the number to tell how many.

Answer:

**Think and Grow**

**Directions:**

Count forward from the number in the blue circle to the number in the red circle. Write the numbers you count.

Answer:

**Apply and Grow: Practice**

**Directions:**

**1** and **2** Count forward from the number in the blue circle to the number in the red circle. Write the numbers you count. **3** Count forward from 11and stop at 16. Write the numbers you count.

Question 1.

Answer:

Question 2.

Answer:

Question 3.

Answer:

**Think and Grow: Modeling Real Life**

**Directions:**

- Your teacher labels the class cubbies and stops at 7. Count forward to finish labeling the cubbies. Write the numbers you count.
- Label the first cubby with a number from 1 to 16. Count forward from your number to finish labeling the cubbies. Write the numbers you count.

Answer:

### Count Forward from Any Number to 20 Homework & Practice 9.4

**Directions:**

**1** and **2** Count forward from the number in the blue circle to the number in the red circle. Write the numbers you count.

Question 1.

Answer:

Question 2.

Answer:

**Directions:**

**3** Count forward from the number in the blue circle to the number in the red circle. Write the numbers you count. **4** Count forward from 14 and stop at 19. Write the numbers you count. **5** Your teacher is numbering tags and stops at 12. Count forward to finish numbering the tags. Write the numbers you count. **6** Write a number from 1 to 16 on the first tag. Count forward from your number to finish numbering the tags. Write the numbers you count.

Question 3.

Answer:

Question 4.

Answer:

Question 5.

Answer:

Question 6.

Answer:

### Lesson 9.5 Order Numbers to 20

**Explore and Grow**

**Directions:**

Place 11 linking cubes on the ten frames. Place more cubes on the ten frames as you count forward to 20. Trace or write the missing numbers.

Answer:

**Think and Grow**

**Directions:**

Count the dots in each set of ten frames. Say each number. Write each number. Then write the numbers in order.

Answer:

**Apply and Grow: Practice**

**Directions:**

**1** and **2** Count the dots in each set of ten frames. Say each number. Write each number. Then write the numbers in order.

Question 1.

Answer:

Question 2.

Answer:

**Think and Grow: Modeling Real Life**

**Directions:**

Line up the students for lunch by writing the numbers in order. Circle the student who is first. Underline the student who is last.

Answer:

### Order Numbers to 20 Homework & Practice 9.5

**Directions:**

**1** Count the dots in each set of ten frames. Say each number. Write each number. Then write the numbers in order.

Question 1.

Answer:

**Directions:**

**2** Count the dots in each set of ten frames. Say each number. Write each number. Then write the numbers in order. **3** Line up the train cars by writing the numbers in order. Circle the train car that is first. Underline the train car that is last.

Question 2.

Answer:

Question 3.

Answer:

### Lesson 9.6 Compare Numbers to 20

**Explore and Grow**

**Directions:**

Place linking cubes on the ten frames to show the numbers. Which number is greater than the other number? Which number is less than the other number?

Answer:

**Think and Grow**

**Directions:**

- Count the dots in each set of ten frames. Write each number.
- Is the number of green dots equal to the number of yellow dots? Circle the thumbs up for yes or the thumbs down for no.
- Compare the numbers of red dots and blue dots. Circle the number that is greater than the other number.
- Compare the numbers of yellow dots and red dots. Draw a line through the number that is less than the other number.

Answer:

**Apply and Grow: Practice**

**Directions:**

Count the objects in each group. Write each number. **1** Is the number of blue bouncy balls equal to the number of green bouncy balls? Circle the thumbs up for yes or the thumbs down for no. **2** Circle the number that is greater than the other number. **3** Draw a line through the number that is less than the other number.

Question 1.

Answer:

Question 2.

Answer:

Question 3.

Answer:

**Think and Grow: Modeling Real Life**

**Directions:**

- You have 14 balls. Your friend has a number of balls that is 1 more than 12. Draw the balls. Write the numbers. Circle the number that is greater than the other number.
- You have 18 balls. Your friend has a number of balls that is greater than 15 and less than 17. Draw the balls. Write the numbers. Draw a line through the number that is less than the other number.

Answer:

I am having more balls than my Friend has in both the cases.

### Compare Numbers to 20 Homework & Practice 9.6

**Directions:**

**1** Count the dots in each set of ten frames. Write each number. Is the number of blue dots equal to the number of red dots? Circle the thumbs up for yes or the thumbs down for no.

Question 1.

Answer:

**Directions:**

**2** Count the bouncy balls in each group. Write each number. Circle the number that is greater than the other number. **3** Count the dots on each domino. Write each number. Draw a line through the number that is less than the other number.** 4** You have 13 balls. Your friend has a number of balls that is 1 more than 19. Draw the balls. Write the numbers. Draw a line through the number that is less than the other number.

Question 2.

Answer:

Question 3.

Answer:

Question 4.

Answer:

I am having less Balls than my friend has.

### Count and Compare Numbers to 20 Performance Task

Directions: **1** Use the clues to fond the number of fruit in each crate. Write each number.

- The number of apples is more than 16 but less than 18.
- The number of bananas is more than 15 but less than 17.
- The number of oranges is more than 18 but less than 20.
- The number of pears is 1 more than the number of oranges.
- The number of pineapples is 1 less than the number of oranges.
- Write the numbers in order.

Question 1.

Answer:

**Number Boss**

**Directions:**

Each player flips a card and places it on the page. Compare the numbers. The player with the greater number takes both cards. If the numbers are equal, flip the cards again. The player with the greater number takes all the cards. Repeat until all cards have been used.

### Count and Compare Numbers to 20 Chapter Practice

**Directions:**

**1** Count the paste jars. Color the boxes to show how many. **2** Count the insects in the picture. Say the number. Write the number.

**9.1 Model and Count 20**

Question 1.

Answer:

**9.2 Count and Write 20**

Question 2.

Answer:

**Directions:**

**3** Circle any group that has the given number of objects. **4** You have 20 erasers in your box. You drop your box. Did you find all of your erasers? Circle the thumbs up for yes or the thumbs down for no. **5** Count forward from the number in the blue circle to the number in the red circle. Write the numbers you count.

**9.3 Count to Find How Many**

Question 3.

Answer:

Question 4.

Answer:

**9.4 Count Forward from Any Number to 20**

Question 5.

Answer:

**Directions:**

**6** Count forward from the number in the blue circle to the number in the red circle. Write the numbers you count. **7** Line up the students for recess by writing the numbers in order. Circle the student who is first. Underline the student who is last.

Question 6.

Answer:

**9.5 Order Numbers to 20**

Question 7.

Answer:

**Directions:**

Count the objects in each group. Write each number. **8** Is the number of yellow dots equal to the number of blue dots? Circle the thumbs up for yes or the thumbs down for no.** 9** Circle the number that is greater than the other number. **10** Draw a line through the number that is less than the other number.

**9.6 Compare Numbers to 20**

Question 8.

Answer:

Question 9.

Answer:

Question 10.

Answer:

*Final Words*

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