Log in
Sign up for FREE
arrow_back
Library
Unit 3 - Lesson 4 - Grade 3: Illustrative Mathematics
By Formative Library
star
star
star
star
star
Share
share
Last updated about 1 year ago
8 questions
Add this activity
Note from the author:
Instructions
Lesson: Introduction to Addition Algorithms
1
Cool Down: Choose an Algorithm
1
Grade 3 Unit 3
Lesson 4: Introduction to Addition Algorithms
CC BY 2021 Illustrative Mathematics®
Grade 3 Unit 3
Lesson 4: Introduction to Addition Algorithms
CC BY 2021 Illustrative Mathematics®
Which One Doesn’t Belong: 247 (Warm Up)
Question 1
1.
What is an Algorithm?
Three students found the value of 362 + 354. Their work is shown. Explain how each method works.
1
1
1
Try an Algorithm
Try using an algorithm to find the value of each sum. Show your thinking. Organize it so it can be followed by others.
1
1
1
Question 8
8.
A diagram of the base-ten blocks that represent 138 + 425 is shown.
Use an algorithm you learned in today's lesson to find the value of the sum.
Which one doesn’t belong?
200 + 30 + 17
247
200 + 47 + 10
100 + 140 + 7
Question 2
2.
Tyler’s drawing.
visibility
View drawing
Question 3
3.
Lin’s method.
visibility
View drawing
Question 4
4.
Han’s method.
visibility
View drawing
Question 5
5.
475 + 231
visibility
View drawing
Question 6
6.
136 + 389
visibility
View drawing
Question 7
7.
670 + 257
visibility
View drawing