## Engage NY Eureka Math 1st Grade Module 4 Lesson 21 Answer Key

### Eureka Math Grade 1 Module 4 Lesson 21 Problem Set Answer Key

Read the word problem.

Draw a tape diagram and label.

Write a number sentence and a statement that matches the story.

Question 1.

Rose drew 7 pictures, and Willie drew 11 pictures. How many pictures did they draw all together?

They drew _________________ pictures.

Answer: They drew 17 pictures.

A tape diagram is a rectangular visual model resembling a piece of tape, that is used to assist with the calculation of ratios.

Question 2.

Darnel walked 7 minutes to Leeâ€™s house. Then, he walked to the park. Darnel walked for a total of 18 minutes. How many minutes did it take Darnel to get to the park?

It took Darnel _________________ minutes to get to the park.

Answer: It took Darnel 11 minutes to get to the park.

A tape diagram is a rectangular visual model resembling a piece of tape, that is used to assist with the calculation of ratios.

Question 3.

Emi has some goldfish. Tamra has 14 betta fish. Tamra and Emi have 19 fish in all. How many goldfish does Emi have?

Emi has _________________ goldfish.

Answer: Emi has 5 goldfish.

A tape diagram is a rectangular visual model resembling a piece of tape, that is used to assist with the calculation of ratios.

Question 4.

Shanika built a block tower using 14 blocks. Then, she added 4 more blocks to the tower. How many blocks are there in the tower now?

The tower is made of _________________ blocks.

Answer:The tower is made of 18 blocks.

A tape diagram is a rectangular visual model resembling a piece of tape, that is used to assist with the calculation of ratios.

Question 5.

Nikilâ€™s tower is 15 blocks tall. He added some more blocks to his tower. His tower is 18 blocks tall now. How many blocks did Nikil add?

Nikil added _________________ blocks.

Answer: Nikil added 3 blocks.

A tape diagram is a rectangular visual model resembling a piece of tape, that is used to assist with the calculation of ratios.

Question 6.

Ben and Peter caught 17 tadpoles. They gave some to Anton. They have 4 tadpoles left. How many tadpoles did they give to Anton?

They gave Anton _________________ tadpoles.

Answer: They gave Anton 13 tadpoles.

A tape diagram is a rectangular visual model resembling a piece of tape, that is used to assist with the calculation of ratios.

### Eureka Math Grade 1 Module 4 Lesson 21 Exit Ticket Answer Key

Read the word problem.

Draw a tape diagram and label.

Write a number sentence and a statement that matches the story.

Answer: 19+6=25

19 is equal to 1tens and 9 ones

6 is equal to 0 tens and 6 ones

A tape diagram is a rectangular visual model resembling a piece of tape, that is used to assist with the calculation of ratios.

Shanika read some pages on Monday. On Tuesday, she read 6Â pages. She read 13 pages during the 2 days. How many pages did she read on Monday?

Shanika read _________________ pages on Monday.

Answer: Shanika read 7 pages on Monday.

A tape diagram is a rectangular visual model resembling a piece of tape, that is used to assist with the calculation of ratios.

### Eureka Math Grade 1 Module 4 Lesson 21 Homework Answer Key

Read the word problem.

Draw a tape diagram and label.

Write a number sentence and a statement that matches the story.

Answer:19+6=25

19 is equal to 1tens and 9 ones

6 is equal to 0 tens and 6 ones

A tape diagram is a rectangular visual model resembling a piece of tape, that is used to assist with the calculation of ratios.

Question 1.

Fatima has 12 colored pencils in her bag. She has 6 regular pencils, too. How many pencils does Fatima have?

Fatima has _________________ pencils.

Answer:Fatima has 18 pencils.

A tape diagram is a rectangular visual model resembling a piece of tape, that is used to assist with the calculation of ratios.

Question 2.

Julio swam 7 laps in the morning. In the afternoon, he swam some more laps. He swam a total of 14 laps. How many laps did he swim in the afternoon?

Julio swam _________________ laps in the afternoon.

Answer: Julio swam 7 laps in the afternoon.

A tape diagram is a rectangular visual model resembling a piece of tape, that is used to assist with the calculation of ratios.

Question 3.

Peter built 18 models. He built 13 airplanes and some cars. How many car models did he build?

Peter built _________________ car models.

Answer: Peter built 5 car models.

A tape diagram is a rectangular visual model resembling a piece of tape, that is used to assist with the calculation of ratios.

Question 4.

Kiana found some shells at the beach. She gave 8 shells to her brother. Now, she has 9 shells left. How many shells did Kiana find at the beach?

Kiana found _________________ shells.

Answer: Kiana found 17 shells.

A tape diagram is a rectangular visual model resembling a piece of tape, that is used to assist with the calculation of ratios.