## Envision Math 1st Grade Textbook Answer Key Topic 2.1 Comparing Two Numbers

**Review What You Know**

Question 1.

Circle the group that has more.

Answer:

Question 2.

Write the number that tells how many.

Answer:

Question 3.

Count the cubes. Write the number.

Answer:

**Home-School Connection**

Dear Family,

Today my class started Topic 2, Comparing and Ordering Numbers. I will learn ways to compare numbers and order them from least to greatest. Here are some of the new math words I will be learning and some things we can do to help me with my math.

Love, __________________

**Book to Read**

Reading math stories reinforces concepts. Look for this title in your local library:

Just Enough Carrots by Stuart J. Murphy (HarperTrophy, 1997)

**Home Activity**

Have your child compare two groups of items, such as forks and spoons, crayons and pencils, or shoes and socks. Have him or her determine which group has more items.

**My New Math Words**

**more**

the group with a greater number of objects

The group with 5 cars has more cars.

**less than**

number with a smaller value or quantity.

2 is less than 4.

**greatest**

a number or a group with the largest value.

5 is the greatest number.

**Comparing Two Numbers**

**Home Connection** Your child compared two groups of cubes to determine which group had more or which group had fewer.

**Home Activity** Put 12 small objects in each of 2 containers. Have your child take some objects from each container. Ask him or her to determine which group has more and then which group has fewer.

Question 1.

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Question 2.

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Question 3.

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Question 4.

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**Guided Practice**

Write each number.

Circle is less than or is greater than.

Question 1.

Question 2.

Answer:

Question 3.

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Question 4.

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**Do you understand?**

Question.

How can you tell if a number is greater than or less than another number?

Answer:

**Independent Practice**

Write each number.

Circle is less than or is greater than.

Question 5.

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Question 6.

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Question 7.

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Question 8.

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**Algebra** Use the clues. Write the number.

Question 9.

My number is greater than 9.

It is less than 11.

My number is ________ .

Answer:

**Problem Solving**

Solve the problems below.

Question 10.

Jen has 10 grapes. Luca has 6 grapes. Who has more grapes? Draw a picture to show the story.

Answer:

Question 11.

Jan read more than 7 books.

She read fewer than 10 books.

How many books did Jan read?

Answer:

Question 12.

Journal Draw a picture of bugs.

Show more than 3 bugs. Show fewer than 8 bugs.

Answer: