Refer to our Texas Go Math Grade 1 Answer Key Pdf to score good marks in the exams. Test yourself by practicing the problems from Texas Go Math Grade 1 Lesson 18.2 Answer Key Time to the Half Hour.

## Texas Go Math Grade 1 Lesson 18.2 Answer Key Time to the Half Hour

**Explore
**Circle 4:00, 5:00, or between 4:00 and 5:00 to describe the time shown on the clock.

4:00

between 4:00 and 5:00

5:00

Answer:

Explanation:

Time shown in the clock is 4’O clock.

FOR THE TEACHER • Have children look at the hour hand on each clock to decide which choice best describes the time shown.

Answer:

Hours hand on 12 and minutes hand on 4, shows the time as 4’O clock.

Explanation:

Hours hand on 12 and minutes hand on 4, shows the time as 4’O clock.

**Math Talk**

**Mathematical Processes
**Use before and after to describe the time, shown on the middle clock.

**Model and Draw
**As an hour passes, the hour hand moves from one number to the next number.

The minute hand points to 12.

When a half hour has passed, the hour hand points halfway between two numbers.

The minute hand points to 6.

**Share and Show
**

**Look at where the hour hand points. Write the time.**

Question 1.

Answer:

Explanation:

When a half hour has passed 1, the hour hand points halfway between two numbers.

The minute hand points to 6.

Time shown is 1:30 or half past 1:00.

Question 2.

Answer:

Explanation:

When a half hour has passed 4, the hour hand points halfway between two numbers.

The minute hand points to 6.

Time shown is 4:30 or half past 4:00.

Question 3.

Answer:

Explanation:

When a half hour has passed 11, the hour hand points halfway between two numbers.

The minute hand points to 6.

Time shown is 11:30 or half past 11:00.

Question 4.

Answer:

Explanation:

When a half hour has passed 3, the hour hand points halfway between two numbers.

The minute hand points to 6.

Time shown is 3:30 or half past 3:00.

**Problem Solving
**

**Write the time.**

Question 5.

Answer:

Explanation:

Time shown in the clock is 5:30 or half past 5:00.

Question 6.

Answer:

Explanation:

Time shown in the clock is 10:30 or half past 10:00.

Question 7.

**H.O.T.** Tim plays soccer at half past 9:00. He eats lunch at half past 1:00. He sees a movie at half past 2:00.

Look at the clock.

Write what Tim does.

Tim

Answer:

Tim

Explanation:

Time at Tim plays soccer at half past 9:00.

He eats lunch at half past 1:00.

He sees a movie at half past 2:00.

=> Time shown in the clock is 2:30 or half past 2:00.

Question 8.

**H.O.T. Multi-Step** Tyra has a piano lesson at 5:00. The lesson ends at half past 5:00. How much time is Tyra at her lesson? Circle your answer.

half hour

hour

Answer:

Time of Tyra at her lesson = 30 minutes.

Explanation:

Time at Tyra has a piano lesson = 5:00

Time at when the lesson ends = at half past 5:00.

=> 5:30.

Time of Tyra at her lesson = Time when the lesson ends – Time at Tyra has a piano lesson

= 5:30 – 5:00

= 30 minutes.

**Daily Assessment Task
**

**Choose the correct answer.**

Question 9.

The game starts at the time shown on the clock. What time does the clock show?

(A) half past 4

(B) half past 5

(C) half past 3

Answer:

Time shown in the clock is 3:30 or half past 3.

(C) half past 3.

Explanation:

Time shown in the clock is 3:30 or half past 3.

Question 10.

Which clock shows half past 7?

Answer:

Explanation:

First clock shows the time: 8:30 or half past 8.

Second clock shows the time: 7:00.

Third clock shows the time: 7:30 or half past 7.

Question 11.

Jeff starts reading at 8:30. Which shows the time Jeff starts reading?

(A) half past 7

(B) half past 8

(C) half past 9

Answer:

Half past 8 shows the time Jeff starts reading.

(B) half past 8.

Explanation:

Time at Jeff starts reading = 8:30 or half past 8.

Question 12.

**Texas Test Prep** What time does the clock show?

(A) 5:00

(B) half past 4:00

(C) 4:00

Answer:

Clock shows the time: 4:30 or half past 4.

(B) half past 4:00.

Explanation:

Clock shows the time: 4:30 or half past 4.

**TAKE HOME ACTIVITY**. Say a time, such as half past 10:00. Ask your child to describe where the hour hand points at this time.

Answer:

My kids said Half past 8:30, the hour hand points at 6.

Explanation:

My kids said Half past 8:30, the hour hand points at 6.

### Texas Go Math Grade 1 Lesson 18.2 Homework and Practice Answer Key

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

Answer:

Explanation:

Clock shows the time: 1:30 or half past 1.

Question 2.

Answer:

Explanation:

Clock shows the time: 7:30 or half past 7.

**Problem Solving
**Question 3.

Kenny wakes up at 8:00. He visits a friend at half past 10:00. He goes to the playground at 1:00.

Look at the clock. Write what Kenny does.

Kenny

Answer:

Clock shows 10:30 or half past 10.Kenny visits his friend.

Kenny

Explanation:

Time at Kenny wakes up = 8:00.

Time at he visits his friend = 10:00.

Time at he goes to the playground = 1:00.

**Lesson Check
**

**Choose the correct answer.**

Question 4.

The concert starts at the time shown on the clock. What time does the clock show?

(A) half past 7:00

(B) half past 8:00

(C) half past 6:00

Answer:

The clock shows 6:30 or half past 6.

(C) half past 6:00.

Explanation:

The clock shows 6:30 or half past 6.

Question 5.

Which clock shows half past 3?

Answer:

Explanation:

First clock shows: 3:30 or half past 3.

Second clock shows: 2:30 or half past 2.

Third clock shows: 5:00.

Question 6.

What is the time?

(A) half past 10:00

(B) half past 9:00

(C) 9:00

Answer:

The clock shows the time: 9:30 or half past 9.

(B) half past 9:00.

Explanation:

The clock shows the time: 9:30 or half past 9.

Question 7.

**Multi-Step** Alex starts eating at 5:00. One half hour passes. What time does he stop eating?

(A) half past 4:00

(B) half past 5:00

(C) half past 6:00

Answer:

Time he stops eating = 5:30 or half past 5.

(B) half past 5:00.

Explanation:

Time at Alex starts eating = 5:00.

One half hour passes = half of an hour = 1 ÷ 2 hour

=> 0.30 hour or 30 minutes.

Time he stops eating = Time at Alex starts eating + One half hour passes

= 5:00 + 0.30

= 5:30 or half past 5.