B8 by Gra chef

*Write the missing number. Pay attention to the addition or subtraction sign.

Lesson 20: Subtract 7, 8, and 9 from teen numbers. 241 This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License. Lesson 20 Sprint NYS COMMON CORE MATHEMATICS CURRICULUM 1 2 Name Date

1 10 - 8 = ☐ 16 10 - 8 = ☐ 2. 2 + 2 = ☐ 17. 11 - 8 = ☐ 3. 10 - 8 = ☐ 18. 12 – 8 = ☐ 4. 2 + 3 = ☐ 19. 15 - 8 = ☐ 5. 10 - 8 = ☐ 20. 14 - 8 = ☐ 6. 2 + 4 = ☐ 21. 13 - 8 = ☐ 7. 10 - 8 = ☐ 22. 17 - 8 = ☐ 8. 2 + 1 = ☐ 23. 18 - 8 = ☐ 9 11 - 8 = ☐ 24 8 + ☐ = 11 10 10 - 8 = ☐ 25 8 + ☐ = 12 11 2 + 2 = ☐ 26 8 + ☐ = 15 12 12 - 8 = ☐ 27 8 + ☐ = 14 13. 10 - 8 = ☐ 28. 8 + ☐ = 16 14. 2 + 5 = ☐ 29. 8 + ☐ = 17 15. 15 - 8 = ☐ 30. 8 + ☐ = 18 A Number Correct: © 2015 Great Minds. eureka-math.org G1-M2-TE-1.3.0-06.2015

*Write the missing number. Pay attention to the addition or subtraction sign.

Lesson 20: Subtract 7, 8, and 9 from teen numbers. 242 This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License. Lesson 20 Sprint NYS COMMON CORE MATHEMATICS CURRICULUM 1 2 Name Date

1 10 - 8 = ☐ 16 10 - 8 = ☐ 2. 2 + 1 = ☐ 17. 11 - 8 = ☐ 3. 10 - 8 = ☐ 18. 13 – 8 = ☐ 4. 2 + 2 = ☐ 19. 14 - 8 = ☐ 5. 10 - 8 = ☐ 20. 13 - 8 = ☐ 6. 2 + 3 = ☐ 21. 12 - 8 = ☐ 7. 10 - 8 = ☐ 22. 15 - 8 = ☐ 8. 2 + 2 = ☐ 23. 16 - 8 = ☐ 9 12 - 8 = ☐ 24 8 + ☐ = 10 10 10 - 8 = ☐ 25 8 + ☐ = 11 11 2 + 3 = ☐ 26 8 + ☐ = 13 12 13 - 8 = ☐ 27 8 + ☐ = 12 13. 10 - 8 = ☐ 28. 8 + ☐ = 13 14. 2 + 2 = ☐ 29. 8 + ☐ = 15 15. 12 - 8 = ☐ 30. 8 + ☐ = 16 B Number Correct: © 2015 Great Minds. eureka-math.org G1-M2-TE-1.3.0-06.2015

Solve the problems below. Use drawings or number bonds.

Match the equal expressions.

Lesson 20: Subtract 7, 8, and 9 from teen numbers. 243 This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License. Lesson 20 Problem Set NYS COMMON CORE MATHEMATICS CURRICULUM 1 2

Date

Name

a. 16

7 13

Lesson 20: Subtract 7, 8, and 9 from teen numbers. 244 This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License. Lesson 20 Problem Set NYS COMMON CORE MATHEMATICS CURRICULUM 1 2 Complete the subtraction sentences to make them true. a. b. c. 8. 12 - 9 = ___ 13 - 9 = ___ 14 - 9 = ___ 9. 12 - 8 = ___ 13 - 8 = ___ 14 – 8 = ___ 10. 11 - 7 = ___ 12 – 7 = ___ 13 – 7 = ___ 11. 16 – 9 = ___ 18 – 9 = ___ 17 – 9 = ___ 12. 16 - ___ = 9 15 - ___ = 9 15 - ___ = 7 13. 15 - ___ = 6 11 - ___ = 3 16 - ___ = 7 © 2015 Great Minds. eureka-math.org G1-M2-TE-1.3.0-06.2015

Solve the problems below. Use drawings or number bonds.

Lesson 20: Subtract 7, 8, and 9 from teen numbers. 245 This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License. Lesson 20 Exit Ticket NYS COMMON CORE MATHEMATICS CURRICULUM 1 2 Name Date

Lesson 20: Subtract 7, 8, and 9 from teen numbers. 246 This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License. Lesson 20 Homework NYS COMMON CORE MATHEMATICS CURRICULUM 1 2 Name Date Complete the number sentences to make them true. 1. 15 – 9 = ____ 2. 15 – 8 = ____ 3. 15 – 7 = ____ 4. 17 – 9 = ____ 5. 17 – 8 = ____ 6. 17 – 7 = ____ 7. 16 – 9 = ____ 8. 16 – 8 = ____ 9. 16 – 7 = ____ 10. 19 – 9 = ____ 11. 19 – 8 = ____ 12. 19 – 7 = ____

13. Match equal expressions.

14. Read the math story. Use a drawing or a number bond to show how you know who is right.

a. Elsie says that the expressions 17 – 8 and 18 – 9 are equal. John says they are not equal. Who is right?

b. John says that the expressions 11 – 8 and 12 – 8 are not equal. Elsie says they are. Who is right?

c. Elsie says that to solve 17 – 9, she can take one from 17 and give it to 9 to make 10. So, 17 – 9 is equal to 16 – 10. John thinks Elsie made a mistake. Who is correct?

d. John and Elsie are trying to find several subtraction number sentences that start with numbers larger than 10 and have an answer of 7. Help them figure out number sentences. They started the first one.

Lesson 20: Subtract 7, 8, and 9 from teen numbers. 247 This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License. Lesson 20 Homework NYS COMMON CORE MATHEMATICS CURRICULUM 1 2

16 – 9 = ____

*Write the missing number.

Lesson 21 Sprint NYS COMMON CORE MATHEMATICS CURRICULUM 1• 2 Name Date

1. 10 - 9 = ☐ 16. 12 - 7 = ☐ 2. 11 – 9 = ☐ 17. 13 - 7 = ☐ 3. 13 - 9 = ☐ 18. 14 – 7 = ☐ 4. 10 - 8 = ☐ 19. 15 - 9 = ☐ 5 11 – 8 = ☐ 20 15 - 8 = ☐ 6. 13 - 8 = ☐ 21. 15 - 7 = ☐ 7 10 - 7 = ☐ 22 17 - 7 = ☐ 8. 11 – 7 = ☐ 23. 16 - 7 = ☐ 9 13 - 7 = ☐ 24 17 - 7 = ☐ 10. 12 - 9 = ☐ 25. 16 - ☐ = 9 11. 13 - 9 = ☐ 26. 16 - ☐ = 8 12. 14 - 9 = ☐ 27. 17 - ☐ = 8 13. 12 - 8 = ☐ 28. 17 - ☐ = 9 14. 13 – 8 = ☐ 29. 17 - ☐ = 16 - 8 15. 14 - 8 = ☐ 30. ☐ - 7 = 17 - 8 A Number Correct: Lesson 21: Share and critique peer solution strategies for take from with result unknown and take apart with addend unknown word problems from the teens. 255 This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License. © 2015 Great Minds. eureka-math.org G1-M2-TE-1.3.0-06.2015

*Write the missing number.

Lesson 21 Sprint NYS COMMON CORE MATHEMATICS CURRICULUM 1• 2 Name Date

1. 10 - 9 = ☐ 16. 11 - 7 = ☐ 2. 11 – 9 = ☐ 17. 12 - 7 = ☐ 3. 12 - 9 = ☐ 18. 15 – 7 = ☐ 4. 10 - 8 = ☐ 19. 15 - 9 = ☐ 5 11 – 8 = ☐ 20 15 - 8 = ☐ 6 12 - 8 = ☐ 21 15 - 7 = ☐ 7 10 - 7 = ☐ 22 15 - 8 = ☐ 8 11 – 7 = ☐ 23 16 - 8 = ☐ 9. 12 - 7 = ☐ 24. 16 - 7 = ☐ 10. 11 - 9 = ☐ 25. 16 - ☐ = 9 11. 12 - 9 = ☐ 26. 16 - ☐ = 8 12. 15 - 9 = ☐ 27. 16 - ☐ = 7 13. 11 - 8 = ☐ 28. 16 - ☐ = 9 14. 12 – 8 = ☐ 29. 16 - ☐ = 15 - 8 15. 15 - 8 = ☐ 30. ☐ - 8 = 15 - 7 B Number Correct: Lesson 21:

and take apart with addend unknown word problems from the teens. 256 This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License. © 2015 Great Minds. eureka-math.org G1-M2-TE-1.3.0-06.2015

Share and critique peer solution strategies for take from with result unknown

Name Date

There were 16 dogs playing at the park. Seven of the dogs went home. How many of the dogs are still at the park?

1. Circle all the student work that correctly matches the story.

2. Fix the work that was incorrect by making a new drawing in the space below with the matching number sentence.

Lesson 21: Share and critique peer solution strategies for take from with result unknown and take apart with addend unknown word problems from the teens.

Lesson 21 Problem Set NYS COMMON CORE MATHEMATICS CURRICULUM 1• 2

a. b. c. d. e. f.

Solve on your own. Show your thinking by drawing or writing. Write a statement to answer the question.

3. There were 12 sugar cookies in the box. My friend and I ate 5 of them. How many cookies are left in the box?

4. Megan checked out 17 books from the library. She read 9 of them. How many does she have left to read?

When you are done, share your solutions with a partner. How did your partner solve each problem? Be ready to share how your partner solved the problem

Lesson 21 Problem Set NYS COMMON CORE MATHEMATICS CURRICULUM 1• 2

Lesson 21: Share and critique peer solution strategies for take from with result unknown and take apart with addend unknown word problems from the teens. 258 This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License. © 2015 Great Minds. eureka-math.org G1-M2-TE-1.3.0-06.2015

Name Date

Meg thinks using the take from ten strategy is the best way to solve the following word problem Bill thinks that solving the problem using the count on strategy is a better way Solve both ways, and explain which strategy you think is best.

Mike and Sally have 6 cats. They have 14 pets in all. How many pets do they have that are not cats?

Meg’s strategy

Strategies:

 Take from 10

 Make 10

 Count on

 I just knew

Bill’s strategy

I think strategy is best because

Lesson 21 Exit Ticket NYS COMMON CORE MATHEMATICS CURRICULUM 1• 2

Lesson 21: Share and critique peer solution strategies for take from with result unknown and take apart with addend unknown word problems from the teens.

Name Date

Olivia and Jake both solved the word problems. Write the strategy used under their work. Check their work If incorrect, solve correctly. If solved correctly, solve using a different strategy.

Strategies:

 Take from 10

 Make 10

 Count on

 I just knew

1. A fruit bowl had 13 apples. Mike ate 6 apples from the fruit bowl. How many apples were left?

Olivia’s work

a. Strategy:

c. Explain your strategy choice below.

b. Strategy:

Jake’s work

21 Homework NYS COMMON CORE MATHEMATICS CURRICULUM 1• 2

Lesson

Lesson 21: Share and critique peer solution strategies for take from with result unknown and take apart with addend unknown word problems from the teens.

2. Drew has 17 baseball cards in a box. He has 8 cards with Red Sox players, and the rest are Yankees players. How many Yankees player cards does Drew have in his box?

Olivia’s work

Jake’s work

a. Strategy: _____________________

b. Strategy: ____________________

c. Explain your strategy choice below.

Lesson 21: Share and critique peer solution strategies for take from with result unknown and take apart with addend unknown word problems from the teens.

Lesson 21 Homework NYS COMMON CORE MATHEMATICS CURRICULUM 1• 2

*Write the missing number.

Lesson 22: Solve put together/take apart with addend unknown word problems, and relate counting on to the take from ten strategy.

270 This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License. Lesson 22 Sprint NYS COMMON CORE MATHEMATICS CURRICULUM 1 2 Name Date

1 2 + ☐ = 3 16 2 + ☐ = 8 2. 1 + ☐ = 3 17. 4 + ☐ = 8 3. ☐ + 1 = 3 18. 8 = ☐ + 6 4. ☐ + 2 = 4 19. 8 = 3 + ☐ 5. 3 + ☐ = 4 20. ☐ + 3 = 9 6. 1 + ☐ = 4 21. 2 + ☐ = 9 7. 1 + ☐ = 5 22. 9 = ☐ + 1 8. 4 + ☐ = 5 23. 9 = 4 + ☐ 9 3 + ☐ = 5 24 2 + 2 + ☐ = 9 10 3 + ☐ = 6 25 2 + 2 + ☐ = 8 11 ☐ + 2 = 6 26 3 + ☐ + 3 = 9 12 0 + ☐ = 6 27 3 + ☐ + 2 = 9 13. 1 + ☐ = 7 28. 5 + 3 = ☐ + 4 14. ☐ + 5 = 7 29. ☐ + 4 = 1 + 5 15. ☐ + 4 = 7 30. 3 + ☐ = 2 + 6 Number Correct: A © 2015 Great Minds. eureka-math.org G1-M2-TE-1.3.0-06.2015

*Write the missing number.

Lesson 22: Solve put together/take apart with addend unknown word problems, and relate counting on to the take from ten strategy.

271 This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License. Lesson 22 Sprint NYS COMMON CORE MATHEMATICS CURRICULUM 1 2 Name Date

1 1 + ☐ = 3 16 3 + ☐ = 8 2. 0 + ☐ = 3 17. 2 + ☐ = 8 3. ☐ + 3 = 3 18. 8 = ☐ + 1 4. ☐ + 2 = 4 19. 8 = 4 + ☐ 5. 3 + ☐ = 4 20. ☐ + 2 = 9 6. 4 + ☐ = 4 21. 4 + ☐ = 9 7. 4 + ☐ = 5 22. 9 = ☐ + 5 8. 1 + ☐ = 5 23. 9 = 6 + ☐ 9 2 + ☐ = 5 24 1 + 5 + ☐ = 9 10 4 + ☐ = 6 25 3 + 2 + ☐ = 8 11 ☐ + 2 = 6 26 2 + ☐ + 6 = 9 12 3 + ☐ = 6 27 3 + ☐ + 4 = 9 13. 3 + ☐ = 7 28. 5 + 4 = ☐ + 6 14. ☐ + 4 = 7 29. ☐ + 3 = 6 + 2 15. ☐ + 5 = 7 30. 4 + ☐ = 2 + 7 B Number Correct: © 2015 Great Minds. eureka-math.org G1-M2-TE-1.3.0-06.2015

Name Date

Read the word problem. Draw and label.

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

1. This week, Maria ate 5 yellow plums and some red plums. If she ate 11 plums in all, how many red plums did Maria eat?

2. Tatyana counted 14 frogs. She counted 8 swimming in the pond and the rest sitting on lily pads. How many frogs did she count sitting on lily pads?

272 This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License. Lesson 22 Problem Set NYS COMMON CORE MATHEMATICS CURRICULUM 1 2

Lesson 22: Solve put together/take apart with addend unknown word problems, and relate counting on to the take from ten strategy.

3. Some children are on the playground. Eight are on the swings, and the rest are playing tag. There are 15 children in all. How many children are playing tag?

4. Oziah read some non-fiction books. Then, he read 7 fiction books. If he read 16 books altogether, how many non-fiction books did Oziah read?

Meet with a partner, and share your drawings and sentences. Talk with your partner about how your drawing matches the story.

Lesson 22: Solve put together/take apart with addend unknown word problems, and relate counting on to the take from ten strategy. 273 This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License. Lesson 22 Problem Set NYS COMMON CORE MATHEMATICS CURRICULUM 1 2

Name Date

Read the word problem.

Draw and label.

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

Remember to draw a box around your solution in the number sentence.

1. Some students in Mrs. See’s class are walkers. There are 17 students in her class in all. If 8 students ride the bus, how many students are walkers?

2. I baked 13 loaves of bread for a party. Some were burnt, so I threw them away. I brought the remaining 8 loaves to the party. How many loaves of bread were burnt?

Lesson 22: Solve put together/take apart with addend unknown word problems, and relate counting on to the take from ten strategy. 274 This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License. Lesson 22 Exit Ticket NYS COMMON CORE MATHEMATICS CURRICULUM 1• 2

Name Date

Read the word problem. Draw and label.

Write a number sentence and a statement that matches the story. Remember to draw a box around your solution in the number sentence.

Strategies:

 Take from 10

 Make 10

 Count on

 I just knew

1. Michael and Anastasia pick 14 flowers for their mom. Michael picks 6 flowers. How many flowers does Anastasia pick?

2. Daquan bought 6 toy cars. He also bought some magazines. He bought 15 items in all. How many magazines did Daquan buy?

3. Henry and Millie baked 18 cookies. Nine of the cookies were chocolate chip. The rest were oatmeal. How many were oatmeal?

Lesson 22: Solve put together/take apart with addend unknown word problems, and relate counting on to the take from ten strategy. 275 This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License. Lesson 22 Homework NYS COMMON CORE MATHEMATICS CURRICULUM 1 2

4. Felix made 8 birthday invitations with hearts. He made the rest with stars. He made 17 invitations in all. How many invitations had stars?

5. Ben and Miguel are having a bowling contest. Ben wins 9 times. They play 17 games in all. There are no tied games. How many times does Miguel win?

6. Kenzie went to soccer practice 16 days this month. Only 9 of her practices were on a school day. How many times did she practice on a weekend?

Lesson 22:

word

relate counting on to the take from ten strategy. 276 This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License. Lesson 22 Homework NYS COMMON CORE MATHEMATICS CURRICULUM 1 2

Solve put together/take apart with addend unknown

problems, and