7ee2 Worksheets
Expressions & Equations
Use properties of operations to generate equivalent expressions.
2Understand that rewriting an expression in different forms in a problem context can shed light on the problem and how the quantities in it are related. For example, a + 0.05a = 1.05a means that “increase by 5%” is the same as “multiply by 1.05.”
7ee2
7ee2

- Turn a percent in a story problem into a decimal you can use in a calculation.
- Match a word problem to the correct decimal expression that represents “percent of” an amount.
- Decide when to multiply by a decimal to find a percent of a number and when to add or subtract to find the new total.