Fractions Word Problems Lesson 24

​How to solve

Fractions Word Problems?

​You identify Key Words for Operations in Math Word Problems.

​ADD SUBTRACT MULTIPLY DIVIDE

​The most difficult task is solving a math word problem is to identify what operations is needed to solve.

​Identifying Key Words for Operations in Math Word Problems

​ADD SUBTRACT MULTIPLY DIVIDE

REMEMBER TO PUT A 1 UNDER ANY WHOLE NUMBER TO CONVERT IT TO A FRACTION.

​ADDING (+)

The words that indicate adding numbers in math word problems are:

addition more than

sum perimeter

both increase

combined plus

altogether total

SUBTRACTING (-)

The words that indicate subtracting numbers in math word problems are:

subtract take away

remain minus

less than fewer

decrease how many more are needed

take away difference

​MULTIPLYING (x)

The words that indicate multiplying numbers in math word problems are:

times area

double each

of per

product triple

twice rate

Multiple Choice

Caroline needs  $$3\ \frac{1}{7}$$   cups of sugar for her first batch of brownies and  $$2\ \frac{8}{9}$$   cups of sugar for a second batch. How much sugar does she need in all?

• Add

• Subtract

• Division

• Multiplication

Multiple Choice

Robert’s gas tank has $$5\ \frac{3}{5}$$   gallons of gas in it. If he adds $$7\ \frac{2}{3}$$   gallons, how much gas will be in the tank altogether?

WHICH MATH OPERATION WOULD YOU USE?

• Add

• Subtract

• Division

• Multiplication

Multiple Choice

Simon bought $$\frac{2}{3}$$   pounds of cookies. He ate $$\frac{4}{5}$$   of the cookies he bought. What was the weight of the cookies that Sam ate?

• Add

• Subtract

• Division

• Multiplication

Multiple Choice

John is $$5\ \frac{6}{10}$$   feet tall and Jamar is $$\frac{5}{8}$$   taller than John. How much taller is Jamar more than John? WHICH MATH OPERATION WOULD YOU USE?

• Add

• Subtract

• Division

• Multiplication

Multiple Choice

Eric needs $$\frac{1}{2}$$   a bag of potatoes to make french fries. He only has $$\frac{2}{7}$$   of a bag.

What fraction of a bag does Eric still need? (less)

• Add

• Subtract

• Division

• Multiplication

Multiple Choice

Students must take their tests home to be signed. Two-thirds of the class took home their tests. Only $$\frac{1}{8}$$   of the students who took their tests home got them signed. What fraction of the entire class got their tests signed?

Find the product.

• Add

• Subtract

• Division

• Multiplication

Multiple Choice

Randy ran $$1\ \frac{3}{4}$$   miles. Natasha ran $$\frac{9}{10}$$   miles. How much more miles did Randy run than Natasha?

WHICH MATH OPERATION WOULD YOU USE?

• Add

• Subtract

• Division

• Multiplication

Multiple Choice

One serving of pancakes calls for $$\frac{1}{3}$$   cups of milk. How many cups are needed for each of the 4 servings of pancakes?

WHICH MATH OPERATION WOULD YOU USE?

• Add

• Subtract

• Division

• Multiplication

Multiple Choice

If Carlos works $$\frac{5}{12}$$   of a day every day. What would the product be if Carlos after 5 days?

WHICH MATH OPERATION WOULD YOU USE?

• Add

• Subtract

• Division

• Multiplication