Solving Multi-step Word Problems with Equations

What is the first step in solving a multi-step word problem using equations?

• Use the order of operations

• Guess the answer

• Make models using the given information

• Solve the equation directly

Why are lowercase 'o' and 'l' not used as variables in equations?

• They are reserved for constants

• They are not part of the alphabet

• They can be confused with zero and one

• They are too common

How do you represent the total space used by the hard drives in the example problem?

• 2 plus 64 times 3 plus 32

• 2 times 64 divided by 3 times 32

• 2 times 64 minus 3 times 32

• 2 times 64 plus 3 times 32

What is the final step in solving the hard drive space problem?

• Subtracting the space used by the files

• Dividing the total space by the number of files

• Multiplying the total space by the number of files

• Adding the space used by the files

In the order of operations, what should be done first?

• Subtraction

• Multiplication

• Addition

• Operations inside parentheses

What is the result of 6 times 15 plus 8 times 36 minus 17?

• 228

• 301

• 90

• 318

How many candies did Bob eat if he ate 5 candies after lunch and 3 candies after dinner for 4 days?

• 20

• 32

• 17

• 12

How much money does Lisa have left after selling 46 cupcakes for $2 each and 38 cookies for $1 each, and buying 3 baking pans for $18 each?

• $54

• $130

• $92

• $76

How many feet of rope does Bob have if he had 7 pieces of 16 feet, 4 pieces of 18 feet, and bought 3 more pieces of 12 feet?

• 72

• 220

• 36

• 112

What is the difference between a mathematical expression and an equation?

• An equation has an equal sign, an expression does not

• An expression has an equal sign, an equation does not

• Both have equal signs

• Neither have equal signs