## Engage NY Eureka Math 1st Grade Module 2 Lesson 12 Answer Key

### Eureka Math Grade 1 Module 2 Lesson 12 Problem Set Answer Key

Make a simple math drawing. Cross out from the 10 ones or the other part in order to show what happens in the stories.

Question 1.

Bill has 16 grapes. 10 are on one vine, and 6 are on the ground.

Bill eats 9 grapes from the vine. How many grapes does Bill have left?

Bill has __ grapes now.

Answer:

Bill has 7 grapes now.

Explanation:

A number bond is a simple addition of two numbers that add up to give the sum. The number bond sixteen can be written as ten and six number bonds. Bill has 16 grapes. 10 are on one vine, and 6 are on the ground. Bill eats 9 grapes from the vine. Subtract nine grapes from total number of grapes. Subtract nine from sixteen then we got seven grapes. Bill has seven grapes now.

Question 2.

12 frogs are in the pond. 10 are on a lily pad, and 2 are in the water. 9 frogs hop off the lily pad and out of the pond. How many frogs are in the pond?

There are __ frogs still in the pond.

Answer:

There are 3 frogs still in the pond.

Explanation:

A number bond is a simple addition of two numbers that add up to give the sum. The number bond twelve can be written as ten and two number bonds. 12 frogs are in the pond. 10 are on a lily pad, and 2 are in the water. 9 frogs hop off the lily pad and out of the pond. Subtract nine from twelve then we got three frogs. There are three frogs still in the pond.

Question 3.

Kim has 14 stickers. 10 stickers are on the first page, and 4 stickers are on the second page. Kim loses 9 stickers from the first page. How many stickers are still in her book?

Kim has __ stickers in her book.

Answer:

Kim has 5 stickers in her book.

Explanation:

A number bond is a simple addition of two numbers that add up to give the sum. The number bond fourteen can be written as ten and four number bonds. Kim has 14 stickers. 10 stickers are on the first page, and 4 stickers are on the second page. Kim loses 9 stickers from the first page. Subtract nine from fourteen then we got five. Kim has five stickers in her book.

Question 4.

10 eggs are in a carton, and 5 eggs are in a bowl. Joe’s father cooks 9 eggs from the carton. How many eggs are left?

There are __ eggs left.

Answer:

There are 6 eggs left.

Explanation:

A number bond is a simple addition of two numbers that add up to give the sum. The number bond fifteen can be written as ten and five number bonds. 10 eggs are in a carton, and 5 eggs are in a bowl. Joe’s father cooks 9 eggs from the carton. Subtract nine eggs from fifteen eggs then we got six eggs. There are six eggs left.

Question 5.

Jana had 10 wrapped gifts on the table and 7 wrapped gifts on the floor. She unwrapped 9 gifts from the table. How many gifts are still wrapped?

Jana has __ gifts still wrapped.

Answer:

Jana has 8 gifts still wrapped.

Explanation:

A number bond is a simple addition of two numbers that add up to give the sum. The number bond seventeen can be written as ten and seven number bonds. Jana had 10 wrapped gifts on the table and 7 wrapped gifts on the floor. She unwrapped 9 gifts from the table. So subtract nine unwrapped gifts from seventeen wrapped gifts then we got eight gifts. Jana has eight gifts still wrapped.

Question 6.

There are 10 cupcakes on a tray and 8 on the table. On the tray, there are 9 vanilla cupcakes. The rest of the cupcakes are chocolate. How many cupcakes are chocolate?

There are __ chocolate cupcakes.

Answer:

There are 9 chocolate cupcakes.

Explanation:

A number bond is a simple addition of two numbers that add up to give the sum. The number bond eighteen can be written as ten and eight number bonds. There are 10 cupcakes on a tray and 8 on the table. On the tray, there are 9 vanilla cupcakes. The rest of the cupcakes are chocolate. Subtract nine vanilla cupcakes from eighteen cupcakes then we got nine chocolate cupcakes. There are nine chocolate cupcakes.

### Eureka Math Grade 1 Module 2 Lesson 12 Exit Ticket Answer Key

Make a simple math drawing. Cross out from the 10 ones to show what happens in the story.

There were 16 books on the table. 10 books were about dinosaurs. 6 books were about fish. A student took 9 of the dinosaur books. How many books were left on the table?

There were __ books left on the table.

Answer:

There were 7 books left on the table.

Explanation:

A number bond is a simple addition of two numbers that add up to give the sum. The number bond sixteen can be written as ten and six number bonds. There were 16 books on the table. 10 books were about dinosaurs. 6 books were about fish. A student took 9 of the dinosaur books. Subtract the books of dinosaur from total number of books on the table. Subtract nine from sixteen then we got seven books. There were seven books left on the table.

### Eureka Math Grade 1 Module 2 Lesson 12 Homework Answer Key

Make a simple math drawing. Cross out from the 10 ones to show what happens in the stories.

Question 1.

There were 15 squirrels by a tree. 10 of them were eating nuts. 5 squirrels were playing. A loud noise scared away 9 of the squirrels eating nuts. How many squirrels were left by the tree?

There were __ squirrels left by the tree

Answer:

There are 6 squirrels left by the tree.

Explanation:

A number bond is a simple addition of two numbers that add up to give the sum. The number bond fifteen can be written as ten and five. There were 15 squirrels by a tree. 10 of them were eating nuts. 5 squirrels were playing. A loud noise scared away 9 of the squirrels eating nuts. Subtract Scared away squirrels from total number of squirrels. Subtract nine from fifteen then we got six. There are six squirrels left by the tree.

Question 2.

There are 17 ladybugs on the plant. 10 of them are on a leaf, and 7 of them are on the stem. 9 of the ladybugs on the leaf crawled away. How many ladybugs are still on the plant?

There are __ ladybugs on the plant.

Answer:

There are 8 ladybugs on the plant.

Explanation:

A number bond is a simple addition of two numbers that add up to give the sum. The number bond seventeen can be written as ten and seven. There are 17 ladybugs on the plant. 10 of them are on a leaf, and 7 of them are on the stem. 9 of the ladybugs on the leaf crawled away. Subtract ladybugs on the leaf crawled away from total number of ladybugs on the plant. Subtract nine from seventeen then we got eight. There are eight ladybugs on the plant.

Question 3.

Use the number bond to fill in the math story. Make a simple math drawing.

Cross out from 10 ones or some ones to show what happens in the stories.

There were 13 ants in the anthill.

10 of the ants are sleeping, and 3 of them are awake.

9 of the sleeping ants woke up and crawled away.

How many ants are left in the anthill?

__ ants are left in the anthill.

Answer:

4 ants are left in the anthill.

Explanation:

A number bond is a simple addition of two numbers that add up to give the sum. There were 13 ants in the anthill. 10 of the ants are sleeping, and 3 of them are awake. 9 of the sleeping ants woke up and crawled away. Subtract nine ants from the total number of ants. 13 – 9 = 4. Four ants are left in the anthill.

Question 4.

Use the number bond below to come up with your own math story. Include a simple math drawing. Cross out from 10 ones to show what happens.

Answer:

Explanation:

A number bond is a simple addition of two numbers that add up to give the sum. By adding ten girls and four boys results fourteen friends. I can tell a story that matches this number bond. There are 14 friends in my karate class. 10 are girls and 4 are boys. 9 of the girls left as we can observe in the above image. Five friends are still there.

There were 14 friends at first, and then 9 left, so my number sentence is 12 − 9 = 3.

My statement is a “word sentence” to answer the question. Five friends are still there.