Mariyah McDannell - Section 2.1A worksheet - LESSON Name Date 2.1 Practice A For use with pages 63\u201368 Evaluate the expression using mental math

Mariyah McDannell - Section 2.1A worksheet - LESSON...

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Copyright © Holt McDougal. All rights reserved. Pre-Algebra 65 Chapter 2 Resource Book Evaluate the expression using mental math. Justify each of your steps. 3.2)(4)Evaluate the expression when x3 and y 5. 7. 3 y 41 y 8. x 2 7 11 9. y 2 (4)( 23) 10. y p 13 p ( 2) 2 11. y ( 20 x 2 ) 12. 20 xy Simplify the expression. 13. x 7 15 14. 3 z 17 15. 6( 4 b ) 16. 9(8 a ) 17. (5 s )( 2) 18. 11 c ( 27) 19.Identify the property illustrated by the statement m33m20.Identify the property illustrated by the statement 26 p126.Use a conversion factor to perform the indicated conversion. . 25.A lunch box is 30 centimeters long, 14 centimeters wide, and

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