CCSS 7.NS.2C (Common Core, 7th Grade): "Apply properties of operations as strategies to multiply and divide rational numbers." The worksheets below practice this standard. Each one is a free printable PDF with an answer key, comes in multiple versions, and can also be assigned digitally - no login or account needed.
The Number System Apply and extend previous understandings of operations with fractions to add, subtract, multiply, and divide rational numbers.2Apply and extend previous understandings of multiplication and division and of fractions to multiply and divide rational numbers.cApply properties of operations as strategies to multiply and divide rational numbers.