Engage NY Eureka Math 1st Grade Module 4 Lesson 18 Answer Key
Eureka Math Grade 1 Module 4 Lesson 18 Problem Set Answer Key
Question 1.
Each of the solutions is missing numbers or parts of the drawing. Fix each one so it is accurate and complete.
Answer:
By adding 7 and 1 in the first figure you get the result 13 + 8 = 21
13 + 7 = 20
20 + 1 = 21
By using the number bond we get the answer.
13 + 4 = 17
17 + 4 = 21
Question 2.
Circle the student work that correctly solves the addition problem.
Answer:
d. Fix the work that was incorrect by making new work in the space below with the matching number sentence.
Answer:
But in the above figure it is given that
16 + 3 = 19
19 + 2 = 21
Question 3.
Circle the student work that correctly solves the addition problem.
Answer:
d. Fix the work that was incorrect by making a new drawing in the space below with the matching number sentence.
Answer:
Question 4.
Solve using quick tens, the arrow way, or number bonds.
17 + 5 = _______
Answer:
Share with your partner. Discuss why you chose to solve the way you did.
Answer:
I like to make a ten because I can add quicker. I know my partners to ten.
Eureka Math Grade 1 Module 4 Lesson 18 Exit Ticket Answer Key
Circle the work that correctly solves the addition problem.
Answer:
d. Fix the work that was incorrect by making a new drawing in the space below with the matching number sentence.
Answer:
Eureka Math Grade 1 Module 4 Lesson 18 Homework Answer Key
Question 1.
Two students both solved the addition problem below using different methods.
Are they both correct? Why or why not?
Answer: Both are correct
Student 1 solved the problem using the number bond pairs.
Student 2 solved the problem using the arrow method.
Question 2.
Another two students solved the same problem using quick tens.
Are they both correct? Why or why not?
Answer: Student 2 is correct.
Question 3.
Circle any student work that is correct.
Answer:
Fix the student work that was incorrect by making a new drawing or drawings in the space below.
Answer:
Choose a correct student work, and give a suggestion for improvement.