Multiplication of Mixed Numbers
6 2/3 * 2 1/4 = ?
180/12 or 15
What is 2 divided by 1/5? Use multiplication to check your answer.
Answer: 10
Check: 10 * 1/5 = 10/5 =2
In Out
Rule: +1 Rule: +4
1 4
2 8
3 12
What rule relates each in numbers to it corresponding out numbers?
In * 3 = out
I am a polygon with 4 sides. What am I?
Quadrilateral
Define the term adjacent.
Next to each other (shares the same angle)
7/8 * 5 1/2 = ?
77/16 or 4 13/16
What 1/2 divided by 5? Use multiplication to check your answer.
Answer: 1/10
Check: 1/10 * 5 = 5/10 = 1/2
Time (Minutes) Distance (Miles)
0 0
1 8
2 16
3 24
5 ?
? 72
Fill in the missing numbers.
5, 40
9, 72
I am a quadrilateral with 1 pair of PARALLEL sides. What am I?
Trapezoid
Property: 4 right angles
Quadrilateral: trapezoid
List 3 additional names.
Quadrilateral, rectangle, parallelogram
Philip is baking bread that calls for 3 3/4 cups of flour. If he makes only 1/4 of the recipe, how much flour will he need?
15/16 cups of flour
Rhys is packing flour in 1/2 pound bags. He has 8 pounds of flour. How many bags can he pack? Use multiplication to check your answer.
Answer: 16 bags
Check: 16 * 1/2 = 16/2 = 8
Time (Minutes) Distance (Miles)
0 0
1 8
2 16
3 24
How far did the plane travel in 2 1/2 minutes?
20 miles
I am a quadrilateral with TWO PAIRS of PARALELL SIDES opposite of each other.
Parallelogram
Property: 2 pairs of parallel sides
Quadrilateral: rhombus
List 4 additional names.
Quardrilateral, kite, parallelogram, trapezoid
Lauren is cleaning her closet and wants to know how much floor space she has. Her closet is a 3 1/2 feet by 4 1/3 rectangle. What is the area of her closet floor?
15 1/6 square feet
Four students are running a relay race that is 1/2 mile long. Each student runs the same distance. How far does each student run? Use multiplication to check your answer.
Answer: 1/8 mile
Check: 1/8 * 4 = 4/8 = 1/2
Time (Minutes) Distance (Miles)
0 0
1 8
2 16
3 24
4 32
How long did it take the plane to travel 64 miles?
8 minutes
All four sides are congruent (the same in length). What am I?
Rhombus
Property: 2 pairs of adjacent sides equal in lenght
Quadrilateral: parallelogram
List 4 additional names.
Quadrilateral, rhombus, kite, trapezoid
Write a number story that can be solved by multiplying 1 1/2 and 4 1/4. Then solve the problem.
Sample answer: A recipre for lemonade calls for 4 1/4 cups of water. Sophie wants to make 1 1/2 times as much lemonade as in the recipre. How much water will Sophie need?
51/5 or 6 3/8 cups of water
Write a number story for 3 divided by 1/4. Then solve.
Sample answer: Lulu has 3 pans of meatloaf. If she cuts each load into 1/4s, how many 1/4s servings will she have?
Solution: 12 servings
In Out
0 0
1 1/4
2 1/2
1/2 1/8
8 2
What rule that relates the in numbers to the corresponding out numbers?
In * 1/4 = out
or
In divided by 4 = out
Complete this: All __________ are __________, but not all __________ are ____________.
Sample answer: All rhombuses are kites, but not all kites are rhombuses.
Property: 4 right angles
Quadrilateral: kite
List 6 additional names.
Quadrilateral, trapezoid, parallelogram, rectangle, rhombus, square