G1 U11 L15 TE
Applied MP
MPs * Embedded MP
Procedural Lesson Grade 1 · Unit 11 · Lesson 15
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MC: 1.OA.7 Student Journal Pages
243-248
Today, I will determine whether equations involving addition and subtraction are true or false.
Vocabulary True: any equation where the quantity on the left and the right side are equal 7=7 12 = 7 + 5 5 + 7 = 12 6+6=5+7
False: any equation where the quantity on the left and right side are not equal 10 = 7 + 2
Explanation: this equation is false because 10 does not equal 9
Copyright © Swun Math
Teacher Resources Considerations: Through this lesson students will understand the meaning of the equal sign.
Steps: 1. Determine the quantity of each side of the equal sign in each equation. 2. Find the equation that is true (or not true).
Application of MPs: MP2: What steps help you solve your problems? MP4: How do you know your answers are correct? MP8: Can you use any shortcuts to solve the problems?
Grade 1 Unit 11 Lesson 15 P TE
8
*
Answer Key: I/M
SGP
FCU
SP
CH
HW
1. Circle 6= 5+ 1
1. Circle 9-6=2 + 5
1. Circle 9+5 = 7+ 7
1. Circle 17=9+9
1. Check student
1. Circle 14= 8+6
work.
2. Circle 7-6=1+6
2. Circle 3+3= 2+4
2. Circle 6-6= 10-9
2. Circle 7 + 8=6 + 9
2. Check student
2. Circle 10=7 + 2
work.
3. Circle 13-7=2+5
3. Circle 8+7=5+10
4. Circle 11-1=2 + 8
4. Circle 12-8= 5+6
5. Circle 4+7=12-1
5. No; Circle 12-6= 6+1
6. No; Circle 8+8=10+6
Copyright © Swun Math
6. Check student work.
Grade 1 Unit 11 Lesson 15 P TE
/ *MP1: Make sense of the problem and persevere in solving it! *MP8: Find a strategy to help solve the problem. Directions: Determine which equation is true or false. Explain your thinking.
1. Circle the equation that is true. Explain how you know it is true.
7+0=6+2
5+3=7-4
6=5+1
Explanation:
2. Circle the equation that is false. Explain how you know it is false.
8+2=7+3
7-6=1+6
16—6 = 4 + 6
Explanation:
MP2: What steps helped you solve your problems? MP4: How do you know your answers are correct? MP8: What strategies did you use to help solve your problems?
Copyright © Swun Math
Grade 1 Unit 11 Lesson 15 P TE
/ Directions: Determine which equation is true or false. Explain your thinking.
1. Circle the equation that is false. Explain how you know it is false.
9-6=2+5
13 - 3 = 9 + 1
2+5=7+0
Explanation:
2. Circle the equation that is true. Explain how you know it is true.
12 - 6 = 5 + 8
3+8=8-4
3+3=2+4
Explanation:
MP2: What steps helped you solve your problems? MP4: How do you know your answers are correct? MP8: What strategies did you use to help solve your problems?
Copyright © Swun Math
Grade 1 Unit 11 Lesson 15 P TE
Directions: Determine which equation is true or false. Explain your thinking.
1. Circle the equation that is true. Explain how you know it is true.
4+0=8-7
8+3=5+5
9+5=7+7
Explanation:
2. Circle the equation that is false. Explain how you know it is false.
13 = 7 + 6
6 - 6 = 10 - 9
12 - 9 = 0 + 3
Explanation:
Copyright © Swun Math
Grade 1 Unit 11 Lesson 15 P TE
Name: ____________________________ Directions: Determine which equation is true or false. Explain your thinking.
Date: ______________________________
1. Circle the equation that is false. Explain how you know it is false.
12 - 8 = 2 + 2
4+3=6+1
17 = 9 + 9
Explanation:
2. Circle the equation that is true. Explain how you know it is true.
14 - 5 = 6 - 3
7+8=6+9
11 = 7 + 2
Explanation:
3. Circle the equation that is false. Explain how you know it is false.
13 - 7 = 2 + 5
4 + 9 = 10 + 3
5+5=2+8
Explanation:
Copyright © Swun Math
Grade 1 Unit 11 Lesson 15 P TE
Directions: Determine which equation is true or false. Explain your thinking.
4. Circle the equation that is true. Explain how you know it is true.
9 + 2 = 3 + 10
8 + 6 = 10 - 7
11 - 1 = 2 + 8
Explanation:
5. Circle the equation that is true. Explain how you know it is true.
4 + 7 = 12 - 1
10 - 7 = 6 + 1
5+6=8+4
Explanation:
6. Is the circled equation 6 - 2= 5 + 4 true? If not, circle the equation that is true.
True 6-2=5+4 Yes
Copyright © Swun Math
2+7=3+3
8 + 8 = 6 + 10
No
Grade 1 Unit 11 Lesson 15 P TE
1. Write 2 equations that are true and 1 equation that is false. Explain why it is false.
Explanation: 2. Write 2 equations that are false and 1 equation that is true. Explain why it is true.
Explanation:
*MP3: Do you agree/disagree with what
said?
*MP6: How do you know your answers are correct/reasonable?
Recap today’s lesson with one or more of the following MP questions: MP2: What steps helped you solve your problems? MP4: How did you know your answers were correct? MP8: What strategies did you use to help solve your problems?
Copyright © Swun Math
Grade 1 Unit 11 Lesson 15 P TE
Name: ____________________________ Directions: Determine which equation is true or false. Explain your thinking.
Date: ______________________________
1. Circle the equation that is true. Explain how you know it is true.
9 + 3 = 10 + 6
14 = 8 + 6
3+4=6-0
Explanation:
2. Circle the equation that is false. Explain how you know it is false.
10 = 7 + 2
13 - 9 = 2 + 2
3 + 8 = 1 + 10
Explanation:
3. Circle the equation that is true. Explain how you know it is true.
6 + 3 = 12 - 7
7 + 7 = 14 - 4
8 + 7 = 5 + 10
Explanation:
Copyright © Swun Math
Grade 1 Unit 11 Lesson 15 P TE
Directions: Determine which equation is true or false. Explain your thinking.
4. Circle the equation that is false. Explain how you know it is false.
3+2=7-2
12 - 8 = 5 + 6
8 + 9 = 10 + 7
Explanation:
5. Is the circled equation 17-9= 3 + 5 false? If not, circle the equation that is false.
False 17 - 9 = 3 + 5 Yes
6+4=9+1
12 - 6 = 6 + 1
No
6. Write 2 equations that are false and 1 equation that is true. Explain why it is true.
Explanation:
Copyright © Swun Math
Grade 1 Unit 11 Lesson 15 P TE
MPs * Embedded MP
Procedural Lesson Grade 1 · Unit 11 · Lesson 15
1
2
3
4
*
*
*
5
6
7
*
MC: 1.OA.7 Student Journal Pages
243-248
Today, I will determine whether equations involving addition and subtraction are true or false.
Vocabulary True: any equation where the quantity on the left and the right side are equal 7=7 12 = 7 + 5 5 + 7 = 12 6+6=5+7
False: any equation where the quantity on the left and right side are not equal 10 = 7 + 2
Explanation: this equation is false because 10 does not equal 9
Copyright © Swun Math
Teacher Resources Considerations: Through this lesson students will understand the meaning of the equal sign.
Steps: 1. Determine the quantity of each side of the equal sign in each equation. 2. Find the equation that is true (or not true).
Application of MPs: MP2: What steps help you solve your problems? MP4: How do you know your answers are correct? MP8: Can you use any shortcuts to solve the problems?
Grade 1 Unit 11 Lesson 15 P TE
8
*
Answer Key: I/M
SGP
FCU
SP
CH
HW
1. Circle 6= 5+ 1
1. Circle 9-6=2 + 5
1. Circle 9+5 = 7+ 7
1. Circle 17=9+9
1. Check student
1. Circle 14= 8+6
work.
2. Circle 7-6=1+6
2. Circle 3+3= 2+4
2. Circle 6-6= 10-9
2. Circle 7 + 8=6 + 9
2. Check student
2. Circle 10=7 + 2
work.
3. Circle 13-7=2+5
3. Circle 8+7=5+10
4. Circle 11-1=2 + 8
4. Circle 12-8= 5+6
5. Circle 4+7=12-1
5. No; Circle 12-6= 6+1
6. No; Circle 8+8=10+6
Copyright © Swun Math
6. Check student work.
Grade 1 Unit 11 Lesson 15 P TE
/ *MP1: Make sense of the problem and persevere in solving it! *MP8: Find a strategy to help solve the problem. Directions: Determine which equation is true or false. Explain your thinking.
1. Circle the equation that is true. Explain how you know it is true.
7+0=6+2
5+3=7-4
6=5+1
Explanation:
2. Circle the equation that is false. Explain how you know it is false.
8+2=7+3
7-6=1+6
16—6 = 4 + 6
Explanation:
MP2: What steps helped you solve your problems? MP4: How do you know your answers are correct? MP8: What strategies did you use to help solve your problems?
Copyright © Swun Math
Grade 1 Unit 11 Lesson 15 P TE
/ Directions: Determine which equation is true or false. Explain your thinking.
1. Circle the equation that is false. Explain how you know it is false.
9-6=2+5
13 - 3 = 9 + 1
2+5=7+0
Explanation:
2. Circle the equation that is true. Explain how you know it is true.
12 - 6 = 5 + 8
3+8=8-4
3+3=2+4
Explanation:
MP2: What steps helped you solve your problems? MP4: How do you know your answers are correct? MP8: What strategies did you use to help solve your problems?
Copyright © Swun Math
Grade 1 Unit 11 Lesson 15 P TE
Directions: Determine which equation is true or false. Explain your thinking.
1. Circle the equation that is true. Explain how you know it is true.
4+0=8-7
8+3=5+5
9+5=7+7
Explanation:
2. Circle the equation that is false. Explain how you know it is false.
13 = 7 + 6
6 - 6 = 10 - 9
12 - 9 = 0 + 3
Explanation:
Copyright © Swun Math
Grade 1 Unit 11 Lesson 15 P TE
Name: ____________________________ Directions: Determine which equation is true or false. Explain your thinking.
Date: ______________________________
1. Circle the equation that is false. Explain how you know it is false.
12 - 8 = 2 + 2
4+3=6+1
17 = 9 + 9
Explanation:
2. Circle the equation that is true. Explain how you know it is true.
14 - 5 = 6 - 3
7+8=6+9
11 = 7 + 2
Explanation:
3. Circle the equation that is false. Explain how you know it is false.
13 - 7 = 2 + 5
4 + 9 = 10 + 3
5+5=2+8
Explanation:
Copyright © Swun Math
Grade 1 Unit 11 Lesson 15 P TE
Directions: Determine which equation is true or false. Explain your thinking.
4. Circle the equation that is true. Explain how you know it is true.
9 + 2 = 3 + 10
8 + 6 = 10 - 7
11 - 1 = 2 + 8
Explanation:
5. Circle the equation that is true. Explain how you know it is true.
4 + 7 = 12 - 1
10 - 7 = 6 + 1
5+6=8+4
Explanation:
6. Is the circled equation 6 - 2= 5 + 4 true? If not, circle the equation that is true.
True 6-2=5+4 Yes
Copyright © Swun Math
2+7=3+3
8 + 8 = 6 + 10
No
Grade 1 Unit 11 Lesson 15 P TE
1. Write 2 equations that are true and 1 equation that is false. Explain why it is false.
Explanation: 2. Write 2 equations that are false and 1 equation that is true. Explain why it is true.
Explanation:
*MP3: Do you agree/disagree with what
said?
*MP6: How do you know your answers are correct/reasonable?
Recap today’s lesson with one or more of the following MP questions: MP2: What steps helped you solve your problems? MP4: How did you know your answers were correct? MP8: What strategies did you use to help solve your problems?
Copyright © Swun Math
Grade 1 Unit 11 Lesson 15 P TE
Name: ____________________________ Directions: Determine which equation is true or false. Explain your thinking.
Date: ______________________________
1. Circle the equation that is true. Explain how you know it is true.
9 + 3 = 10 + 6
14 = 8 + 6
3+4=6-0
Explanation:
2. Circle the equation that is false. Explain how you know it is false.
10 = 7 + 2
13 - 9 = 2 + 2
3 + 8 = 1 + 10
Explanation:
3. Circle the equation that is true. Explain how you know it is true.
6 + 3 = 12 - 7
7 + 7 = 14 - 4
8 + 7 = 5 + 10
Explanation:
Copyright © Swun Math
Grade 1 Unit 11 Lesson 15 P TE
Directions: Determine which equation is true or false. Explain your thinking.
4. Circle the equation that is false. Explain how you know it is false.
3+2=7-2
12 - 8 = 5 + 6
8 + 9 = 10 + 7
Explanation:
5. Is the circled equation 17-9= 3 + 5 false? If not, circle the equation that is false.
False 17 - 9 = 3 + 5 Yes
6+4=9+1
12 - 6 = 6 + 1
No
6. Write 2 equations that are false and 1 equation that is true. Explain why it is true.
Explanation:
Copyright © Swun Math
Grade 1 Unit 11 Lesson 15 P TE
