Today, I will use break apart numbers to find a sum.
Vocabulary
Teacher Resources Considerations: Break apart 3
9+3= 9+3= 9+3=
9+1+2 10 + 2 12
Steps:
Make 10 Equation: number sentence that uses an equal sign to show that two groups are equal 9 + 3 = 12 Expression: a number phrase that shows the value of something (has no equal sign) 9+3
Math vocabulary is provided in the Student Journal.
1. Identify how to make 10. 2. Record the expression that shows how to break apart a number to make 10. 3. Record the expression that shows 10. 4. Record the sum.
Application of MPs: MP1:
What are your steps?
MP2: What math expression was used to represent the situation? MP5: What tool was used today? Why?
/ *MP1: Make sense of the problem and persevere in solving it! *MP8: Find a strategy to help solve the problem. Directions: Break apart a number to make 10 and find a sum.
1.
5+9= 5+9= 5+9= 5+9=
2.
7+6= 7+6= 7+6= 7+6=
MP1: What are my steps? MP2: What math expression was used to represent the situation?
Directions: Choose a fact. Break apart to make 10. Fill in the table and solve.
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: MP1: What are my steps? MP2: What math expression was used to represent the situation? MP5: What tool was used today? Why?