Solving Word Problems Using Linear Systems

• Objective: Students will be able to successfully solve word problems using systems.

• Warm-up: Solve.There are 812 students in a school. There are 36 more girls than boys. How many girls are there?

Solving Word Problems Using Linear Systems

Plan for Solving a Word Problem• Step 1: Read the problem

carefully• Step 2: Reread the problem

and define the variable(s)• Step 3: Write an equation that

represents the given situation• Step 4: Solve the equation to

find the unknown(s)• Step 5: Check your results and

answer the problem (in a sentence!!)

Practice!!The sum of 38 and twice a number is 124. Find the number.

Solving Word Problems Using Linear Systems

The sum of two numbers is 31 and their difference is 5. Find the numbers.

Solving Word Problems Using Linear Systems

One number is 5 more than three times another. The sum of the two numbers is 85. Find the numbers.

Solving Word Problems Using Linear Systems

Phil has 50 nickels and dimes worth $4.15. How many dimes does he have?

Solving Word Problems Using Linear Systems

• Homework:– Pg. 434 #1, 2, 8, 10