Multiplication
and Division
and Division
Gracie draws 7 rows of stars. In each row, she draws 4 stars. How many stars does Gracie draw in all? Use a letter to represent the unknown and solve.
s = 28
Find the area of a 6 m by 9 m rectangle.
54 square meters
In baseball, it is about 30 yards from home plate to first base. The batter got tagged out about half way to first base. About how many yards from home plate was he when he got tagged out?
15 yards
Alan’s rectangular swimming pool is 10 meters long and 16 meters wide. What is the perimeter?
52 meters
The third-graders raised $437 in a fundraiser. The fourth- graders raised $68 less than the third-graders. How much money did the two grade levels raise altogether?
$806
Mabel cuts 9 pieces of ribbon for an art project. Each piece of ribbon is 7 centimeters long. What is the total length of the pieces of ribbon that Mabel cuts?
63 centimeters
The restaurant’s banquet table measures 3 feet by 6 feet. For a large party, workers at the restaurant place 2 banquet tables side by side to create 1 long table. Find the area of the new, longer table.
36 square feet
LaTonya has 2 equal sized hotdogs. She cuts the first one into thirds at lunch. Later she cuts the second hotdog to make double the number of pieces. Draw a model of LaTonya’s hotdogs.
Answers Vary
Alicia’s rectangular garden is 33 feet long and 47 feet wide. What is the perimeter of Alicia’s garden?
160 feet
Angela measures the sides of a square napkin with her ruler. Each side measures 6 inches. What is the perimeter of the napkin?
24 inches
Richard has 2 cartons with 6 eggs in each. As he opens the cartons, he drops 2 eggs. How many unbroken eggs does Richard have left?
10 eggs
Mario plans to completely cover his 8-inch by 6-inchcardboard with square-inch tiles. He has 42 square- inch tiles. How many more square-inch tiles does Mario need to cover the cardboard without any gaps or overlap?
6 more tiles
Mr. Ramos wants to nail the TV cord against the wall so no one trips. He puts 7 nails equally spaced along the cord. Draw a number line representing the cord. Label it from 0 at the start of the cord to 1 at the end. Mark where Mr. Ramos puts each nail with a fraction.
Draw a number line
Paige paints an 8 inch by 9 inch picture for her mom’s birthday. What is the total length of wood that Paige needs to make a frame for the picture?
72 inches
A rectangular sheep pen measures 5 meters long and 9 meters wide. The perimeter of the cow pen is double the perimeter of the sheep pen. What is the perimeter of the cow pen?
90 meters
Mia has 152 beads. She uses some to make bracelets. Now there are 80 beads. If she uses 8 beads for each remaining bracelet, how many bracelets does she make?
9
Anil finds the area of a 5 inch by 17 inch rectangle by breaking it into 2 smaller rectangles. Show one way that he could have solved the problem. What is the area of the rectangle?
Answers vary
Dorothea is training to run a 2 mile race. She marks off her starting point and the finish line. So that she can track her progress, she places a mark at 1 mile. She then places a mark halfway between her starting position and 1 mile, and another between 1 mile and the finish line.
Draw a number line
If a rectangle has a perimeter 36 and a length of 12, then what must the width be?
6 square units
Rita says that since 15 is larger than 12, she can draw more arrays to show 15 than she can to show 12. Is she correct? Draw arrays to show your thinking.
Draw arrays
Michaela and Gilda read the same book. It takes Michaela about 8 minutes to read a chapter, and Gilda about 10 minutes. There are 9 chapters in the book. How many fewer minutes does Michaela spend reading than Gilda?
18 minutes
What is the area of a rectangle that has a length of 7 inches and a width of 14? Use distributive property to solve.
(7 x 10) + (7 x 4) =
70 + 28 = 98 square inches
Mr. Schwartz went to a coffee shop before school. He spent 1 sixth of his money on a coffee and 1 sixth of his money on a bagel with cream cheese. How much of his money did Mr. Schwartz spend before school?
2/6 or 1/3
If a rectangle has a perimeter of 76 feet and the width is 16, then what must the length be?
22 feet
Which faction is greater 5/6 or 14/28
5/6