Curated OER
Inverse
Your class can learn all about inverse operations. They will review what inverse operations are, see examples, learn how to use inverse operation to check an answer, write addition and subtraction equations in the inverse, and use the...
Curated OER
Inverse Relationships (16)
In this math operations activity, students use the given information to fill in each box to complete the inverse operation equations. They fill in 60 boxes as they complete the pairs of equations.
Curated OER
Inverse Relationships (C)
In this addition and subtraction inverse operations worksheet, students fill in the blanks in 30 addition and subtraction sentences with the appropriate numbers based on inverse relationships
Curated OER
Inverse Relationships Add/Sub (E)
In this addition and subtraction inverse operations worksheet, students fill in the blanks in 16 addition and subtraction sentences with the appropriate numbers based on inverse relationships.
Curated OER
Inverse Relationships
In this math operation worksheet, 2nd graders fill in 60 boxes in this addition and subtraction inverse operation worksheet. They find combinations that are based on the number 18.
Noyce Foundation
Perfect Pair
What makes number pairs perfect? The resource provides five problems regarding perfect pairs of numbers, the definition of which changes in complexity with each task. Solutions require pupils to apply number sense and operations, as well...
Curated OER
Clock Arithmetic and Cryptography
Students perform basic operations in modular (clock) arithmetic. Students encode and decode messages using shift and affine ciphers. Students apply their multiplication, division, addition, and subtraction skills.
Pennsylvania Department of Education
Alike and Different
Students compare and contrast objects and are introduced to a Venn Diagram. In this alike and different lesson, students make observations regarding properties of objects. Students classify object and build ideas about variables....