Add To with Change Unknown Problems
Math video lessons to help Grade 1 students learn how to solve add to with change unknown problems, relating varied addition and subtraction strategies.
Common Core Standards: 1.OA.1,
Plans and Worksheets for Grade 1
Plans and Worksheets for all Grades
Lessons for Grade 1
Common Core For Grade 1
NYS Math Module 2 Grade 1 Lesson 23
Lesson 23 Application Problem
In the morning, there were 8 leaves on the floor under the ficus
tree. During the day, more leaves fell on the floor. Now there
are 13 leaves on the floor. How many leaves fell during the
Lesson 23 Exit Ticket
ead the word problem.
raw and label.
rite a number sentence and a statement that matches the story.
Shanika ate 7 mini-pretzels in the morning. She ate the rest of her mini-pretzels in
the afternoon. She ate 13 mini-pretzels altogether that day. How many mini-pretzels
did Shanika eat in the afternoon?
Lesson 23 Homework
1. Micah collected 9 pinecones on Friday and some more on Saturday. Micah collected
a total of 14 pinecones. How many pinecones did Micah collect on Saturday?
3. Samil counted 5 pigeons on the street. Some more pigeons came. There were 13
pigeons in all. How many pigeons came?