## Envision Math 1st Grade Textbook Answer Key Topic 2.3 Ordering Numbers to 12 with a Number Line

Ordering Numbers to 12 with a Number Line

Home Connection Your child used a number line to order numbers to 12.
Home Activity Use only the first 12 pages of a book or magazine. Ask questions such as: What page comes after page 5? What page comes before page 3? What page comes between pages 7 and 9? Question 1. Question 2. Question 3. Question 4.  Guided Practice

Use the number line below. Write the number that is before.
Question 1. Question 2.
____ 9    10

Write the number that is after.
Question 3.
5     6 ____

Question 4.
10    11 ____

Write the number that is between.
Question 5.
8 ____ 10

Question 6.
9 ____ 11

Do you understand?
Question.
Do you look left or right to fi nd the number before 2?

Independent Practice

Use the number line below.
Write the missing numbers.
Question 7.
4    5    6 ____ 8    9 ____

Question 8.
2    3 ____ 5 ____ 7   8

Question 9.
1 ____ 3 ____ 5   6 ____

Algebra Use the clues. Write the number.
Question 10.
My secret number is between 4 and 9. It is after 7. Problem Solving

Solve the problems below. Question 11.
Kathy reads a book. She reads page 10. Then she skips a page. She reads page 12.
What page did Kathy skip?
___________

Question 12.
Yuko gets a number for a race.
His number is between 7 and 9.
What is Yuko’s number?
___________ 