by BlastRoom
Stretch practice multiplying a fraction by a fraction with area models and the multiply-across rule.
#fractions#us_grade_4_math

40 questions
One question set, multiple game modes. Tap any game to see it in action. Not sure which to pick?
Answer to place stones and capture territory.
Outrun the snow together.
Earn blasts, then hunt the other team.
Answer to earn energy, then climb.

The class blasts through walls together.
Bid on mystery lots. Most money wins.
Sell tours. Nice, standard, or a total scam.
Answer, restock, and serve the rush.
More correct answers pulls the rope your way.
Answer, then shoot down the alien wave.
Answer, then tap to leap the frozen ridge.
Multiplying fractions means multiplying the numerators and multiplying the denominators. What is 1/2 x 1/5? Multiply across and do not simplify.
An area model splits a square into 4 columns and 2 rows. Three columns and one row are shaded. Which product does the model show?
Multiply across and do not simplify: 2/3 x 3/4 = ___
A pan is 1/2 full of cornbread. Nina eats 1/3 of what is in the pan. What fraction of a whole pan does she eat? Multiply across and do not simplify.

What is 5/6 x 1/2? Multiply the numerators, then multiply the denominators.
A recipe uses 3/4 liter of milk. Ravi makes 1/3 of the recipe. He uses ___ liter of milk. Multiply across and do not simplify.

An area model splits a square into 5 columns and 2 rows. Three columns and one row are shaded. Which product does the model show?
In an area model for 1/2 x 1/3, the square is split into 5 equal parts.
When two fractions are each less than 1, their product is greater than both factors.
Multiply across: 1/10 x 1/10 = ___
Multiply across and do not simplify: 1/4 x 2/3 = ___

Find 3/5 x 1/2 by multiplying the numerators and then the denominators.
Suppose you shade 1 row and 3 columns of this area model. How many parts would be shaded twice?

What is 1/3 of 1/4? Write the answer as a fraction.

Multiplying 1/2 by 1/2 gives a product smaller than 1/2.
A jug is 3/4 full of juice. Sam drinks 1/2 of the juice in the jug. What fraction of a whole jug does he drink?

Multiply across and do not simplify: 2/3 x 1/2 = ___

Multiply across, then simplify: 1/2 x 4/5 = ___
Half of a wall is painted blue. Of that blue paint, 5/8 is dry. What fraction of the whole wall is blue and dry?
Use the point shown on the number line. Find 1/3 of the fraction shown. Multiply across and do not simplify.

Finding 1/4 of 1/3 means you must ___ the two fractions.
What is 1/10 x 3/10?
Each bag holds 2/5 of a kilogram of rice. Kim uses 1/2 of one bag. What fraction of a kilogram does she use? Multiply across and do not simplify.
Suppose you shade 1 row and 1 column of this area model. Which product do the parts shaded twice show?

Mr. Diaz has 1/2 of a cake left. He gives 1/4 of the leftover cake to a friend. What fraction of the whole cake does he give away?

Multiply across, then simplify: 1/2 x 4/6 = ___
Sam says 1/2 x 2/3 is greater than 1/2 x 1/3. Is he right, and why?
A garden bed is 1/2 of a meter wide and 7/8 of a meter long. What is its area in square meters? Multiply across and do not simplify.
3/4 x 1/2 and 1/2 x 3/4 have the same product.
Multiplying 1/2 by 6/6 gives a product equal to 1/2.
Lena writes 1/2 x 3/4 = 3/6. What mistake did she make?
A ribbon is 3/4 of a meter long. Kai cuts off 2/5 of the ribbon. What fraction of a meter does he cut? Multiply across.
How much is 1/2 of 2/6? Multiply across and do not simplify.
Multiply across and do not simplify: 1/6 x 1/2 = ___

A field is 2/3 of a kilometer long. A path covers 1/5 of that length. How long is the path? Multiply across and do not simplify.
Which is a good first step for showing 2/3 x 1/4 with an area model?
Why is 1/2 x 1/4 less than 1/4?
1/2 x 3/8 = 3/___
Which is greatest: half of 1/3, half of 1/4, half of 1/6, or half of 1/8?
One half of one half of a pizza is ___ of a whole pizza.

Crack the passcode before the zombies get in.
Answer, then swat bugs for bonus points.
Race through questions at your own speed.
Same question on every screen. Fastest wins.

Pick a tile, answer, hit bonuses and steals.
The Coordinate Plane
20 questions