21st Century Demo Teaching
Presentation
•
Mathematics
•
5th Grade
•
Practice Problem
•
Easy
+12
Standards-aligned
Reymund Lozano
Used 8+ times
FREE Resource
8 Slides • 12 Questions
1
Welcome to
Grade 5 Math Class
Reymund C. Lozano
Teacher
2
Poll
How are you feeling today?
HAPPY
NERVOUS
SAD
EXCITED
3
ORDER OF OPERATIONS
OBJECTIVES: At the end of the 20 - minute lesson, students are expected to perform operations on whole numbers applying Parenthesis, Multiplication, Division, Addition, Subtraction (PMDAS) or Grouping, Multiplication, Division, Addition, Subtraction (GMDAS) correctly.
4
Short Math - Drill
5
Multiple Choice
35 + 43
78
68
58
48
6
Multiple Choice
768 - 145
323
423
523
623
7
Multiple Choice
12 x 7
64
74
84
94
8
Multiple Choice
45 ÷ 3
10
15
20
25
9
Match
Match the mathematics symbol related to its terms or words
+
-
x
÷
increased by, combined, more than,sum
diminished by, less than, subtract
twice, thrice, of,product
split into, cut, average,quotient
increased by, combined, more than,sum
diminished by, less than, subtract
twice, thrice, of,product
split into, cut, average,quotient
10
PROBLEM OPENER:
What is the result if you subtract the sum of 123 and 17 from the product of 19 and 8?
11
ANOTHER EXAMPLE
44 x (9 ÷3) - 81 + 45 = ____
12
Today we learn PMDAS (2x)
Parenthesis
Multiplication
Division
Addition
Subtraction
Whichever comes from left to right
GENERALIZATION: Let's sing the MDAS song to the tune of "THE FARM IN THE DELL"
13
Poll
Choose the emoji that reflects your understanding of today's lesson
Got it!
I'm confused!
Did Not Understand!
OTHERS...
14
Multiple Choice
QUIZ: Perform operations on whole numbers applying PMDAS/GMDAS.
Item #1: (14 ÷ 2) – 3 + 2 × 2 = N
15
Multiple Choice
QUIZ: Perform operations on whole numbers applying PMDAS/GMDAS.
Item #2: 9 – 3 + 6 ÷ 2 x 3 = N
16
Multiple Choice
QUIZ: Perform operations on whole numbers applying PMDAS/GMDAS.
Item #3: 63 ÷ 7 + 2 – 6 = N
17
Multiple Choice
QUIZ: Perform operations on whole numbers applying PMDAS/GMDAS.
Item # 4: 37 + (3 × 2) ÷ 6 = N
18
Multiple Choice
QUIZ: Perform operations on whole numbers applying PMDAS/GMDAS.
Item #5: (4 x 3) + 50 ÷ 2 = N
19
Assignment
Perform operations on whole numbers applying PMDAS/GMDAS.
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20
Thank you!
Welcome to
Grade 5 Math Class
Reymund C. Lozano
Teacher
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