4th Grade Review
Explain these three terms. You must get all 3 right to earn points!
acute =
obtuse =
right =
acute = angle measuring less than 90 degrees
obtuse = angle measuring more than 90 degrees
right = angle measuring exactly 90 degrees
There were 34 kids in the cafeteria. 6 kids can sit at a table. How many tables were full?
5 tables
True or False
1/2 < 1/3
False
1/2 = 3/6
1/3 = 2/6
3/6 is greater than 2/6
The width of a square playground is 20 feet. What is the area of the playground in square feet?
400 square feet
Jon put a pie in the oven at 5:15 P.M. He took the pie out of the oven 35 minutes later. At what time did Jon take the pie out of the oven?
5:50 P.M.
13 x $12 = $156
Place in order from least to greatest
8/7 1/3 4/5
1/3 4/5 8/7
Write this number in expanded notation.
7,308,009
(7 x 1,000,000) + (3 x 100,000) + (8 x 1,000) + (9 x 1)
What is the value of the number 6 in the following number?
1,456,789
6,000
A large envelope contains only $5 bills. The total value of the $5 bills is $2,435. Write and solve an equation to find the number of $5 bills in the envelope.
2,345 divided by 5 = 487
How can the fraction 3/7 be written as the sum of two fractions?
2/7 + 1/7
The perimeter of an hexagon is 18 inches. Each side of the hexagon is the same length. What is the length of one side of the hexagon?
3 inches
A number has 49 tens and 29 ones. What is the value of the number?
490 + 29 = 519
What is the product of forty-five and eight? Spell your answer.
45 x 8 = 360
three hundred sixty
Write two fractions equivalent to 1/2.
Answers will vary.
2/4, 3/6, 4/8, 5/10, 6/12, etc.
Spell this number.
12,076,811
twelve million, seventy-six thousand, eight hundred eleven
Round 432,756 to the nearest ten thousand.
430,000
The fourth-grade classes at a school made flowers to decorate the cafeteria. There are 5 fourth-grade classes at this school.
*To make each flower, 4 sheets of paper were used.
*The classes used a total of 300 sheets of paper.
*Each class made the same number of flowers.
How many flowers did each fourth-grade class make?
300 divided by 4 = 75; 75 divided by 5 = 15
Each class made 15 flowers.
4 friends mow the lawn.
Nate mowed 1/4. Rudy moves 1/8. Marc mowed 2/8. Santos mowed 3/8. Who mowed the most grass?
Who is Santos?
The length of a rectangle is 14 inches and the width is 12 inches, what is the area?
168 inches
What type of triangle has perpendicular sides?
A right triangle
Meredith had 12 packages of erasers to put into bags.
*Each package had 43 erasers.
*She put 6 erasers into each bag.
What is the greatest number of bags Meredith could have put erasers into?
12 x 43 = 516 erasers
516 / 6 =
86
Darrell, Nani, and Anita ate an entire pie together. Darrell ate 2/9 of the pie. Anita ate 3/9 of the pie. What fraction of the pie did Nani eat?
4/9
Mr. Diaz wants to put a fence around his rectangular-shaped yard. The width of the yard is 65 feet. The length is 122 feet. How many feet of fencing does Mr. Diaz need?
122 + 65 = 187
187 x 2 = 374 feet