Or download our app "Guided Lessons by Education.com" on your device's app store.
Hey...some of these numbers are missing! Crack the case of the missing mystery number in this in this intro-to-algebra worksheet that practise places value. Once you've counted the number of blank squares, write the number in the blank space in the equation. Presto! Mystery solved.
This is an excerpt from an upcoming workbook. Check out our current workbooks Here.