End of Year Math Learning Celebration!

Multiplying Fractions

100

Solve the following: 4/5  x  10 = a 

Be sure to share the answer as a mixed fractions.

a = 40/5 = 8

200

Solve the following: 3  2/5 x 4 = b

Be sure to share the answer as a mixed number. 

b = (4x3) + (4x2/5) = 12 + 8/5 = 13 3/5

300

Each week, Portia spends 4/5 of an hour at dance practice on Monday, Wednesday, and Friday.  How many hours did Portia spend at dance practice in after 3 weeks? Share your answer as a mixed number.

4/5 x 3 = 12/5 = 2  2/5 hours  per week

2 2/5  x 3  = 6 + 6/5 = 7 1/5 hours after 3 weeks

400

Replace the blank with <, >, or = 2/3 ___ 4/10

2/3 > 4/10

500

Over the summer, Mr. Wijayapala plans to teach an acting class for 2/3 of an hour for 5 days a week.  He also plans to volunteer at an animal shelter for 4/5 of an hour on Saturday and Sunday.  How many MINUTES will Mr. Wijayapala spend teaching and volunteering in one week? 

Teaching: 2/3 x 5 = 10/3 = 3 1/3 hours = 180 + 20 = 200 minutes

Volunteering: 4/5 x 2 = 8/5 = 1 3/5 hours = 60 + 36 = 96 minutes

Total: 200 + 96 =  296 minutes

World of Geometry

100

Name 3 types of quadrangles.

square, rectangle, rhombus, parallelogram, trapezoid

200

Angle a and angle b are complementary angles. If angle a is 30 degrees, then what is the measure of angle b?

Complementary angles add up to 90 degrees, therefore angle b = 90-30 = 60 degrees

300

Name at least 4 types of angles. Define each one.

Acute angles are between 0-90 degrees; Right angles are exactly 90 degrees; obtuse angles are between 90-180 degrees; straight angles are exactly 180; and reflex angles are between 180-360 degrees.

400

How many lines of symmetry does a regular pentagon (all the sides are same length) have?

5 lines of symmetry (5 equal sides = 5 lines of symmetry)

500

True or False: All rectangles are parallelograms.

True. The opposite sides of a rectangle are always parallel.  

Comparing and Ordering Fractions and Decimals

100

Use <, >, and = to compare the two decimals: 

0.09   ___    0.1

0.09 < 0.1

200

Order the following decimals from SMALLEST to GREATEST: 1.01, 0.28, 0.3, 0.03

0.03, 0.28, 0.3, 1.01

300

Order the following fractions and decimals from smallest to largest:

0.88, 3/6, 0.6, 8/100

3/6, 0.6, 8/100, 0.88

400

8 centimeters = ? meters

0.08 m

500

Maia kayaked 3.9 kilometers in the morning and another 4,200 meters in the afternoon. How many kilometers did she kayak in total that day? 

Maia: 4,200 meter = 4.2 km; 3.9 + 4.2 = 8.1 km

Adding and Subtracting Fractions

100

Three friends shared a large Costco pizza.  Jessica ate 2/12 of the pizza, Jack ate 5/12 of it, and James ate 5/12.  How much of the pizza did they eat altogether?

12/12 or the whole pizza

200

Kate has read 33/79 of her book. How much does she have left? 

46/79 of her book

300

Jacob biked 2  5/6 miles on Friday and 2  2/6 miles on Sunday. How much did he bike in total?  Be sure to share the answer as a mixed number.

4  7/6 miles = 5  1/6 miles

400

Chloe's mom bought a 5 pound bag of flour at the beginning of the week. She used 3/5 pounds on Sunday to bake a large cake and 3/10 pound on Tuesday to bake a pie.  How many pounds of flour does she have left?

3/5 = 6/10; 6/10 + 3/10 = 9/10

5 - 9/10 = 4  1/10 pounds

500

Madison measured the weight of sloths in the wild. The heaviest adult sloth was 14  1/5 pounds and the lightest adult sloth was 5  3/10 pounds.  What is the difference between the heaviest and lightest sloth (the range)?  

14 2/10 = 13 12/10 - 5 3/10 = 8  9/10 pounds

Multiplication Mania

100

What are the factors of 12?

1, 2, 3, 4, 6, 12

200

Is 74 a multiple of 8? 

No, because 8 x 9 = 72 and 8 x10 = 80

300

Which of the following are prime numbers: 0, 1, 2, 5, 13, 55, 77, 102

2, 5, 13

400

6² + 5² -3² = a.  Solve for a.

36 + 25 - 9 = 61 - 9 = 52; a = 52

500

Nash spends 70 minutes practicing piano for 3 days a week.  How many HOURS will he have spent practicing piano after 2 weeks? 

70 x 3 x 2 = 420 minutes; 420 / 60 = 7 HOURS