# Texas Go Math Grade 2 Lesson 18.4 Answer Key A.M. and P.M.

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## Texas Go Math Grade 2 Lesson 18.4 Answer Key A.M. and P.M.

Essential Question
How do you use a.m. and p.m. to describe times?
The 12-hour system divides the 24 hours of a day into two periods lasting 12 hours each.
The first 12-hour period is designated as am. It runs from midnight to noon.
The second period, marked pm, covers the 12 hours from noon to midnight.
The abbreviations am and pm derive from Latin:

AM = Ante meridiem: Before noon
PM = Post meridiem: After noon

Explore
Draw the clock hands to show each time. Then write each time.

Math Talk
Mathematical processes
Describe some activities that you do in both the morning in the evening.

For The Teacher

• Have children draw a picture and write a label for the picture for an activity they do in the morning and for an activity they do in the evening. Then have them show the time they do each activity on the clocks.

Answer: I played volley ball at 8:00 a.m. and ate snacks at 5:00 p.m.

Explanation:

I played volley ball at 8:00 a.m.Â

I ate snacks at 5:00 p.m.
Model and Draw

Noon is 12:00 in the daytime. Midnight is 12:00 at night.

Times after midnight and before noon are written with a.m.
11:00 a.m. is in the morning.

Times after noon and before midnight are written with p.m.
11:00 p.m. is in the evening.

Share and Show

Write the time. Then circle a.m. or p.m.

Question 1.
eat breakfast

Answer: Eating breakfast at 7:15 a.m.

Explanation:
Times after midnight and before noon are written with a.m.

Eating breakfast at 7:15 a.m.

go to art class

Answer: Going to art class at 1:40 p.m.

Explanation:
Times after noon and before midnight are written with p.m.

Going to art class at 1:40 p.m. in the afternoon

Question 3.
do homework

Answer: do homework at 4:34 p.m.

Explanation:
Times after noon and before midnight are written with p.m.

do home work at 4:34 p.m. in the evening

Question 4.
arrive at school

Answer: Arrive school at 8:26 a.m.

Explanation:
Times after midnight and before noon are written with a.m.

Arrive school at 8:26 a.m. in the morning

Problem Solving

Write the time. Then circle a.m. or p.m.

eat lunch

Answer: Eat lunch at 11:45 a.m.

Explanation:
Times after midnight and before noon are written with a.m.

Eat lunch at 11:45 a.m. in the morning

Question 6.
leave school

Answer: Leave school at 3:06 p.m.

Explanation:
Times after noon and before midnight are written with p.m.

Leave school at 3:06 p.m. in the evening.

Question 7.
H.O.T. Use the times in the list to complete the story.
Don got to school at ____.
His class went to the library at ___. After school, Don, read a book at ___.

Answer: Don got to school at 8:30
His class went to the library at 10:15 a.m.
After school, Don, read a book at 3:20 p.m.

Explanation:
We know that , Times after midnight and before noon are written with a.m.
Times after noon and before midnight are written with p.m.

Don got to school at 8:30 a.m.
His class went to the library at 10:15 a.m.
After school, Don, read a book at 3:20 p.m.

Go Math Grade 2 Pdf Lesson 18.4 PM or AM Question 8.
H.O.T. Multi-Step Some times are shown on this timeline. Write labels for the dots that name things you do at school during those parts of the day.

At what times would you say the dots are placed on the time line? ___ and ____

Explanation:
We know that , Times after midnight and before noon are written with a.m.
Times after noon and before midnight are written with p.m.

Doing my prayers at 9:00 a.m. in the morning and
Eating my lunch at 1:00 p.m. in the afternoon

Question 9.
Connect Sona’s class goes to the playground in the morning. At which of the following times could this be?
(A) 10:10 p.m.
(B) 9:10 a.m.
(C) 2:45 p.m.
Answer: Option B , 9:00 a.m.

Explanation:
We know that , Times after midnight and before noon are written with a.m.

The only time in the morning in the options referring to a.m. is 9:00 a.m.
So, Sona’s class goes to the playground at 9:00 a.m.

Question 10.
Representations Jessieâ€™s class watched a movie. The clock shows when the movie ended. At what time did the movie end?

(A) 4:02 p.m.
(B) 1:19 a.m.
(C) 1:19 p.m.

Explanation:
We know that , Times after noon and before midnight are written with p.m.
The only time in the afternoon in the options referring to a.m. is 1:19 p.m.
So, The movie endedÂ  at 1:19 p.m.

Question 11.
Texas Test Prep The clock shows the time that Jane went to recess. At what time did she go to recess?

(A) 6:00 a.m.
(B) 11:30 a.m.
(C) 11:30 p.m.

Explanation:
We know that , Times after midnight and before noon are written with a.m.
The only time in the morning showing the time in the given clock , in the options referring to a.m. is 11:30 a.m.
So, Jane went to recess at 11:30 a.m.

Take Home Activity

• Name some activities and times. Have your child say a.m. or p.m. for the times.

### Texas Go Math Grade 2 Lesson 18.4 Homework and Practice Answer Key

Write the time. Then circle a.m. or p.m.

Question 1.
practice piano

Answer: Practice piano at 4:45 p.m.

Explanation:
Times after noon and before midnight are written with p.m.

So, Practice piano at 4:45 p.m.

Go Math 2nd Grade Workbook Pdf Lesson 18.7 Answer Key Question 2.
dress for school

Answer: dress for school at 7:24 a.m.

Explanation:
Times after midnight and before noon are written with a.m.

So, Dress for school at 7:24 a.m. in the morning

Problem Solving

Question 3.
Use the times in the list. Complete the story.
Julia begins camp at ____
Julia takes the bus home at _____

Julia takes the bus home at 8:45 a.m.
Julia begins camp at 3:40 p.m.

Explanation:
We know that , Times after midnight and before noon are written with a.m.
Times after noon and before midnight are written with p.m.

Julia takes the bus home at 8:45 a.m. in the morning
She swims at 10:20 a.m. in the morning
Julia begins camp at 3:40 p.m. in the evening

Question 4.
Multi-Step Some times are shown on this time line. Write the time for each dot.

At 11:00 a.m. I went to library
At 3:00 p.m. I took the Music class

Explanation:
We know that , Times after midnight and before noon are written with a.m.
Times after noon and before midnight are written with p.m.
At 11:00 a.m. I went to library
At 3:00 p.m. I took the Music class

Texas Test Prep

Lesson Check

Question 5.
The clock shows the time Mel went to the gym this afternoon. At what time did he go to the gym?

(A) 12:10 a.m.
(B) 2:00 p.m.
(C) 2:00 a.m.
Answer: Option B , 2:00 p.m.

Explanation:
We know that Times after noon and before midnight are written with p.m.
So, Mel went to the gym at 2:00 p.m.

Mauroâ€™s class went to see a puppet show. The clock shows when the puppet show ended. At what time did the puppet show end?

(A) 1:28 p.m.
(B) 6:05 p.m.
(C) 1:28 a.m.

Explanation:
We know that Times after noon and before midnight are written with p.m.
So, the puppet show ended at 1:28 p.m.

Question 7.
The clock shows the time Larry arrived at school. At what time did Larry get to school?

(A) 3:50 p.m.
(B) 10:20 p.m.
(C) 10:15 a.m.

Explanation:
We know that Times after midnight and before noon are written with a.m.
So, Larry arrived at school at 10:15 a.m.

Question 8.
The clock shows when art class begins. At what time does art class begin?

(A) 11:20 a.m.
(B) 4:55 a.m.
(C) 11:20 p.m.