1-2 Order of Operations: To use the order of operations to evaluate variable expressions.

1-3  Exponents and Powers of Ten: To evaluate expressions involving powers.

1-4  The Decimal System: To read, write, and round decimal numbers. To use rounding of decimal numbers to estimate answers.

1-5  Basic Properties: To use the properties of addition and multiplication.

1-6 Equations: To find the solution of an equation in one variable whose replacement set is given.

1-7 Inverse Operations: To use the inverse relationship between addition and subtraction and between multiplication and division to solve equations.

1-8  A Plan for Solving Problems: To use a five-step plan to solve word problems involving one or more operations.

1-9  Solving and Checking Problems: To solve and check a word problem.