G1 U9 L7 SJ
Applied MP
MPs * Embedded MP
Procedural Lesson Grade 1 · Unit 9 · Lesson 7
1
2
3
4
*
*
*
5
6
7
*
MC: 1.OA.4
problems.
Today, I will solve subtraction problems as unknown addend
Vocabulary Think addition to subtract:
7—5= 5+=7 Create drawings:
Steps 1. Think of the numbers in your subtraction fact as an addition fact. +
=
2. Use a strategy (drawings, count up, etc) to find the missing addend. 3. Use the missing addend to solve the subtraction fact.
7 — 5=
5+=7 Count up:
7 — 5= 5+=7 (5….6, 7)
Copyright © Swun Math
Grade 1 Unit 9 Lesson 7 P SJ
8
*
/ Directions: Write the addition fact that helps solve the subtraction fact. Solve for the unknown addend and find the difference.
1.
11 — 9 = 9
+
=
2.
8—5= 5
+
=
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 9 Lesson 7 P SJ
Directions: Write the addition fact that helps solve the subtraction fact. Solve for the unknown addend and find the difference.
1.
12 — 4 = 4
2.
=
11 — 5 =
5
Copyright © Swun Math
+
+
=
Grade 1 Unit 9 Lesson 7 P SJ
Name: ____________________________ Date: ______________________________ Directions: Write the addition fact that helps solve the subtraction fact. Solve for the unknown addend and find the difference.
1.
13 — 5 = 5
2.
=
12 — 6 = 6
3.
+
=
11 — 4 = 4
Copyright © Swun Math
+
+
= Grade 1 Unit 9 Lesson 7 P SJ
Directions: Write the addition fact that helps solve the subtraction fact. Solve for the unknown addend and find the difference.
4.
14 — 6 = 6
5.
+
=
15 — 7 = 7
+
=
6. Does 12 — 7= 4? If not, use the unknown addend problem to find the correct difference.
12 — 7 =
12— 7 = 4 Yes
No
7 Copyright © Swun Math
+
= Grade 1 Unit 9 Lesson 7 P SJ
Directions: Pick a subtraction fact and record it on the line. Write the addition fact that helps solve the subtraction fact. Find the difference.
1.
+
=
+
=
2.
*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? MP5: 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 9 Lesson 7 P SJ
MPs * Embedded MP
Procedural Lesson Grade 1 · Unit 9 · Lesson 7
1
2
3
4
*
*
*
5
6
7
*
MC: 1.OA.4
problems.
Today, I will solve subtraction problems as unknown addend
Vocabulary Think addition to subtract:
7—5= 5+=7 Create drawings:
Steps 1. Think of the numbers in your subtraction fact as an addition fact. +
=
2. Use a strategy (drawings, count up, etc) to find the missing addend. 3. Use the missing addend to solve the subtraction fact.
7 — 5=
5+=7 Count up:
7 — 5= 5+=7 (5….6, 7)
Copyright © Swun Math
Grade 1 Unit 9 Lesson 7 P SJ
8
*
/ Directions: Write the addition fact that helps solve the subtraction fact. Solve for the unknown addend and find the difference.
1.
11 — 9 = 9
+
=
2.
8—5= 5
+
=
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 9 Lesson 7 P SJ
Directions: Write the addition fact that helps solve the subtraction fact. Solve for the unknown addend and find the difference.
1.
12 — 4 = 4
2.
=
11 — 5 =
5
Copyright © Swun Math
+
+
=
Grade 1 Unit 9 Lesson 7 P SJ
Name: ____________________________ Date: ______________________________ Directions: Write the addition fact that helps solve the subtraction fact. Solve for the unknown addend and find the difference.
1.
13 — 5 = 5
2.
=
12 — 6 = 6
3.
+
=
11 — 4 = 4
Copyright © Swun Math
+
+
= Grade 1 Unit 9 Lesson 7 P SJ
Directions: Write the addition fact that helps solve the subtraction fact. Solve for the unknown addend and find the difference.
4.
14 — 6 = 6
5.
+
=
15 — 7 = 7
+
=
6. Does 12 — 7= 4? If not, use the unknown addend problem to find the correct difference.
12 — 7 =
12— 7 = 4 Yes
No
7 Copyright © Swun Math
+
= Grade 1 Unit 9 Lesson 7 P SJ
Directions: Pick a subtraction fact and record it on the line. Write the addition fact that helps solve the subtraction fact. Find the difference.
1.
+
=
+
=
2.
*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? MP5: 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 9 Lesson 7 P SJ
