Subtraction Story Problems_Separate Result Unknown, Separate Change Unknown
Alison Henry
14 Followers
Grade Levels
K - 2nd
Subjects
Resource Type
Standards
CCSS1.OA.A.1
CCSS1.OA.B.3
CCSS1.OA.B.4
Formats Included
- PPTX
Pages
48 pages
Alison Henry
14 Followers
Description
I created this activity because my students needed extra practice with reading story problems and deciding for themselves which numbers to add to their number sentence and in which order. First, they practice fact families, which help with the Change Unknown problems, then they record number sentences for Result Unknown and Change Unknown problems. Students like these story problems because their names are used. This is a PPT download so that you can change the names in the story problems to fit your group of learners.
Keywords: Separate Result Unknown, Separate Change Unknown, CGI
Keywords: Separate Result Unknown, Separate Change Unknown, CGI
Total Pages
48 pages
Answer Key
N/A
Teaching Duration
N/A
Report this resource to TPT
Reported resources will be reviewed by our team. Report this resource to let us know if this resource violates TPT’s content guidelines.
Standards
to see state-specific standards (only available in the US).
CCSS1.OA.A.1
Use addition and subtraction within 20 to solve word problems involving situations of adding to, taking from, putting together, taking apart, and comparing, with unknowns in all positions, e.g., by using objects, drawings, and equations with a symbol for the unknown number to represent the problem.
CCSS1.OA.B.3
Apply properties of operations as strategies to add and subtract. If 8 + 3 = 11 is known, then 3 + 8 = 11 is also known. (Commutative property of addition.) To add 2 + 6 + 4, the second two numbers can be added to make a ten, so 2 + 6 + 4 = 2 + 10 = 12. (Associative property of addition.)
CCSS1.OA.B.4
Understand subtraction as an unknown-addend problem. For example, subtract 10 – 8 by finding the number that makes 10 when added to 8.
Reviews
Questions & Answers
14 Followers
