# Texas Go Math Grade 1 Lesson 18.1 Answer Key Time to the Hour

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## Texas Go Math Grade 1 Lesson 18.1 Answer Key Time to the Hour

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Start at 1.
Write the unknown numbers.

Explanation:

FOR THE TEACHER • Have children look at the number line and the clock face to decide which numbers come after 2 and 8.
Number after 2: 3.
Number after 8: 9.

Explanation:
Number coming after 2 is 3.
Number coming after 8 is 9.

Math Talk
Mathematical Processes
How are a clock face and ordering numbers alike? Explain.
Number on a clock face and ordering numbers alike because both start from small number to big numbers.

Explanation:
Ordering a list of numbers means stating the numbers from least to greatest or greatest to least. A clock face has numbers called as unique alphanumeric identification number. Numbers on clock are from small numbers to big numbers.

Model and Draw
What does this clock show?

The hour hand points to the 3. The minute hand points to 12.
It is 3 o’clock.

This clock shows: Time 3:00 AM/PM.

Explanation:

Share and Show
Look at where the hour hand points. Write the time.
Question 1.

Time it shows is 9:00 AM or 21:00 PM.

Explanation:
The hour hand points: 12.
Time it shows is 9:00 AM or 21:00 PM.

Question 2.

Time it shows is 1:00 AM or 13:00 PM.

Explanation:
The hour hand points: 12.
Time it shows is 1:00 AM or 13:00 PM.

Question 3.

Time it shows is 11:00 AM or 23:00 PM.

Explanation:
The hour hand points: 12.
Time it shows is 11:00 AM or 23:00 PM.

Question 4.

Time it shows is 6:00 AM or 18:00 PM.

Explanation:
The hour hand points: 12.
Time it shows is 6:00 AM or 18:00 PM.

Question 5.

Time it shows is 7:00 AM or 19:00 PM.

Explanation:
The hour hand points: 12.
Time it shows is 7:00 AM or 19:00 PM.

Question 6.

Time it shows is 5:00 AM or 17:00 PM.

Explanation:
The hour hand points: 12.
Time it shows is 5:00 AM or 17:00 PM.

Problem Solving
Look at where the hour hand points. Write the time.
Question 7.

Time it shows is 4:00 AM or 16:00 PM.

Explanation:
The hour hand points: 12.
Time it shows is 4:00 AM or 16:00 PM.

Question 8.

Time it shows is 10:00 AM or 22:00 PM.

Explanation:
The hour hand points: 12.
Time it shows is 10:00 AM or 22:00 PM.

Question 9.

Time it shows is 6:00 AM or 18:00 PM.

Explanation:
The hour hand points: 12.
Time it shows is 6:00 AM or 18:00 PM.

Question 10.
H.O.T. Which time is not the same? Circle it.

Explanation:
Time in first clock is 11:00 or 11’O clock..
Time in second clock is 1:00 or 1’O clock.

Question 11.
H.O.T. Multi-Step Morgan leaves for school at 8 o’clock. Write and draw to show 8 o’clock.

Explanation:
Hours hand will be showing 12.
Minutes hands will be showing 8.

Question 12.
What time does the clock show?

(A) 9:00
(B) 8:00
(C) 6:00
The clock shows 8’O clock.
(B) 8:00.

Explanation:

The clock shows 8’O clock.

Question 13.
Which clock shows 3 o’clock?

Explanation:
First clock shows time: 3’O clock.
Second clock shows time: 7’O clock.
Third clock shows time: 12’O clock.

Question 14.
On Jody’s clock, the hour hand points to the 10. Which shows Jody’s clock?

Third clock shows 10 , so its Jody’s clock.

Explanation:
First clock shows time: 11’O clock.
Second clock shows time: 9’O clock.
Third clock shows time: 10’O clock.

Question 15.
Texas Test Prep What time does the clock show?

(A) 12:00
(B) 2:00
(C) 1 o’clock
The clock shows 2’O clock.
(B) 2:00

Explanation:
The clock shows 2’O clock.

TAKE HOME ACTIVITY • Hove your thud describe what he or she did in this lesson.
He or She has learnt how the time is shown in the clock and to read the time in this lesson.

Explanation:
He or She has learnt how the time is shown in the clock and to read the time in this lesson.

### Texas Go Math Grade 1 Lesson 18.1 Homework and Practice Answer Key

Look at where the hour hand points. Write the time.
Question 1.

Time shown in clock is 2’O clock.

Explanation:
Time shown in clock is 2’O clock.

Question 2.

Time shown in clock is 7’O clock.

Explanation:
Time shown in clock is 7’O clock.

Question 3.

Time shown in clock is 9’O clock.

Explanation:
Time shown in clock is 9’O clock.

Question 4.

Time shown in clock is 4’O clock.

Explanation:
Time shown in clock is 4’O clock.

Question 5.

Time shown in clock is 6’O clock.

Explanation:
Time shown in clock is 6’O clock.

Question 6.

Time shown in clock is 12’O clock.

Explanation:
Time shown in clock is 12’O clock.

Problem Solving
Question 7.
Multi-Step Suzanne eats dinner at 5 o’clock. Write and draw to show 5 o’clock.

Explanation:
Suzanne eats dinner at 5 o’clock.
Hours hand shows 12.
Minutes hand shows 5.

Lesson Check
Question 8.
The clock shows the time Matt gets up in the morning. What time does the clock show?

(A) 8:00
(B) 7:00
(C) 9:00
The clock shows the time: 7’O clock.
(B) 7:00.

Explanation:
The clock shows the time: 7’O clock.
Matt gets up in the morning at 7’O clock.

Question 9.
Which clock shows 6 o’clock?

Explanation:
First clock shows the time: 4’O clock.
Second clock shows the time: 12’O clock.
Third clock shows the time: 6’O clock.

Question 10.
Look at the hour hand. What is the time?

(A) 4:00
(B) 9 o’clock
(C) 10:00
Time shown in the clock is 10’O clock.
(C) 10:00.

Explanation:

Time shown in the clock is 10’O clock.

Question 11.
What time does the clock show?

(A) 3 o’clock
(B) 2:00
(C) 5:00