3rd Grade Geometry
Which shape is a quadrilateral, but has only one pair of parallel sides?
trapezoid
6x6
36
12 divided by 3
Compare 2/8 & 2/4. Which is greater?
2/4 is greater than 2/8 because fourths are larger than eighths.
Marcus had a collection of 315 toy cars. After giving away some of his cars, he had 240 car left. How many toy cars did Marcus give away?
Marcus gave away 75 toy cars.
315-240=75
What 2 quadrilaterals have 4 equal sides?
square and rhombus
5x12
60
25 divided by 5
Compare 6/8 & 3/4. Which is greater?
They are equivalent.
Matt's family is going on a trip. They are traveling 283 miles the first day, 365 miles the second day, 116 miles on the third day, and 359 miles the fourth day. How many miles are they traveling on the first three days of their trip?
764 miles
283+365+116=764
Find the area and perimeter of a rectanlge with a length of 4 inches and a width of 5 inches.
P= 18 inches
60x11
660
48 divided by 4
12
A pizza has 5 pieces. Sara eats 3 pieces. What fraction of the pizza is left?
2/5
There are 3,279 dimes and 1,317 pennies in a jar. How many more dimes are there than pennies in the jar?
There are 1,962 more dimes than pennies.
3,279-1,317=1,962
Find the missing side of the triangle. One side is 11 inches, one side is 5 inches and the perimeter is 22 inches.
6 inches
What property is shown below and what is the answer?
30x6= 3x10x6= 10x6x3=
Associative 180
81 divided by 9
9
Name a fraction equivalent to 2/3.
There are several...your teacher will tell you if you are correct.
A package of buttons has 9 buttons. Julie needs 31 buttons for her project. How many packages does Julie need to buy to have enough buttons for her project? How many buttons will she have left over?
Julie needs 4 packages of buttons.
9x4=36
Julie will have 5 buttons left over.
36-31=5
What is the area of the square where one side is 6 inches?
36 sq. inches
Find the missing number
8x9= (8x4) + (8xn)
5
90 divided by 3
30
Would you rather share 2/5 or 1/3 of your favorite candy bar? and why?
2/5 because it is a smaller amount than 1/3
Laura bought a new couch for $288 and a matching chair for $119. She gave the cashier $500. How much change did Laura receive?
$93
288+119=407
500-407=93