3rd Grade
What is 55 ÷ 5?
11
What is the angle of a right angle?
90 degrees
What is the angle of a straight line?
180 degrees
30, 73, 22, 30, 992, 30, 30, 42, 30
In the series of numbers shown here, what is the mode? (Hint: The mode is the number that appears most frequently in a series)
30 appears the most
mode = 30
What is 72 x 4?
288
What is the perimeter of a rhombus where one side is 72 cm? All four sides of a rhombus have equal length!
4 x 72 cm
Perimeter = 288 cm
What is 1/12 times 1/5? Does this make a bigger or smaller number?
1/12 times 1/5 = 1/60
it makes a smaller number.
Five people with one-letter names were eating apples:
A finished before B, but behind C. D finished before E, but behind B. What was the finishing order?
C A B D E
Shak has 1/7 of a pie. Jason has 1/5 of the pie. Who ate more?
Shak tiene 1/7 de pastel. Jason tiene 1/5 del pastel. ¿Quién comió más?
Jason ate more
Jason comió más
What is 453 times 80?
453 times 8 = 3624
3624 times 10 =
36240
What is 50 4/33 + 7 1/11?
11 x 3 = 33
1 x 3 = 3
4/33 + 3/33 =
7/33
50 + 7 = 57
57 7/33
Angie is making her tin foil boat in class. She miraculously makes it a perfect cube where the volume is 1 cubic units.
What are the dimensions (length, width , height ) of a tin foil boat? Hint: Volume of cube = Length x Width x Height
1 x 1 x 1 = 1
length = 1 unit
width = 1 unit
height =1 unit
You may work together.
Please choose one person to speak for the group.
If your native tongue is in English, please choose someone to say numbers 1-15 in Spanish.
If your native tongue is in Spanish, please choose someone to say numbers 1-15 in English.
one, two, three, four, five, six, seven, eight, nine, ten, eleven, twelve, thirteen, fourteen, fifteen.
uno, dos, tres, cuatro, cinco, seis, siete, ocho, nueve, diez, once, doce, trece, catorce, quince.
There are 15 flowers in a garden. 10 flowers are sunflowers and the rest are cosmos. What is the fraction of cosmos flowers in the garden?
Please simplify the answer for an extra bonus.
Hay 15 flores en un jardín. 10 flores son girasoles y el resto son cosmos. ¿Cuál es la fracción de flores del cosmos en el jardín?
Simplifique la respuesta para obtener una bonificación adicional.
15 total flowers - 10 sunflowers =5 cosmos flowers
5 cosmos flowers ÷ 15 total flowers =
5/15
Bonus:
5/15 ÷ 5/5 = 1/3
1/3
3 , 9, 7, 21, 18, 54
What is the next number in this series? (Hint: it is a pattern containing multiplication and then subtraction)
pattern = times 3, minus 3
3x 3 = 9
9-3=7
7x 3 =21
21-3 = 18
18 x 3=54
52-3 =
51
Carlos and Dennis are sharing a boba. Carlos drank 1/3 and Dennis drank 2/5. Dennis argues that it isn't fair, and accuses Carlos of drinking more than his share. Carlos says there's still some left and that Dennis can have the rest.
Part A: Is Dennis right to be upset? Who drank more?
Part B: How much boba is left?
Part A:
Carlos: 1/3 x 5/5 = 5/15
Dennis: 2/5 x 3/3 = 6/15
Dennis shouldn't be mad, Dennis drank more.
Part B:
5/15 + 6/15 =11/15
15/15 - 11/15 =
4/15
Carlos is a good friend, who generously gives more than what's fair to Dennis.
What is 363 times 10-10 ? Please write out answer, do not put in 10x format.
negative exponents mean to move the decimal to the left, making a smaller number.
10-10 = 0.0000000001
363 x 0.0000000001 =
0.000000000363
There is a group of 30 people who are ordering pizza. If each person gets 2 slices and each pizza has 5 slices, how many pizzas should they order?
For a bonus: if each pizza is worth 10 dollars how much is the total?
Hay un grupo de 30 personas que están pidiendo pizza. Si cada persona recibe 2 porciones y cada pizza tiene 5 porciones, ¿cuántas pizzas deberían pedir?
Para un bono: si cada pizza vale 10 dólares ¿cuánto es el total?
30 people x 2 slices per person = 60 slices needed
60 slices needed ÷ 5 slices per pizza = total pizzas needed
12 pizzas
Bonus: 12 pizzas x $10 = Total Price
$120
What is the area of a circle (pi x r2) if r = 10 meters and pi is rounded to the hundredths place?
pi rounded to the hundredths place = 3.14
102 x 3.14
100 x 3.14
Area = 314 meters
Rosa is driving her truck. She heads 9 units east and 7 units north to reach her destination. Her original coordinates (x,y) is (8, 5). What are her new coordinates when she reaches her destination.
x is the horizontal plane, y is the vertical plane
East = horizontal, North = vertical
x= 8
8+ 9 = 17
y=5
5+ 7 = 12
new coordinates = (17, 12)
What is the product of 10,000,000 times 1400? Please simplify the answer to "whole numbers x 10x " format.
(example: 120 x 10 = 102 x 12)
10,000,000 = 107
1400 = 14 x 102
14 x 102 x 107
OR
10,000,000 times 1400 = 14,000,000,000
14 x 109