Decimals and Fractions
Isaiah buys a new jacket for $35.78 and new shoes for $110.61. He gives the cashier $200. How much change should Isaiah get back?
Isaiah should get back $53.61
What is the GCF of 72 and 48?
24
Write rational numbers to represent the situations a. Helaena has a debt of $16 b. Selwyn has a balance of $20 c. Pohaku is 40 ft above sea level
a. -16 b. 20 c. 40
There are twelve cats and four dogs. a. What is the ratio of dogs to cats? b. What is the ratio of cats to all animals?
a. 4:12 b. 12:16
There are 75 students in the school band. 45 students play woodwind instruments. What percent of students play woodwinds?
60%
Draw a model to solve this problem: 1 3/7 ÷ 2/5 Then write the algorithm to check
3 8/14
What is the LCM of 4 and 6?
12
Find each absolute value. Which has the greatest absolute value? -2, 5, -7, 1, 9
2, 5, 7, 1, 9 9 has the greatest absolute value
5 erasers cost $1.35. What is the unit cost per eraser?
It costs $0.27 per eraser.
Draw a model to solve: 2 3/4 ÷ 1/3
8 1/4
1.9 x 0.37
0.703
1297 ÷ 24 (remainder answer)
54 R1
Put these integers in order from least to greatest: 4, -3, 1, 2, -7, 3
-7, -3, 1, 2, 3, 4
Rafael runs 3 miles in 21 mins. How far will Rafael run in 49 mins?
Rafael will run 7 miles
Gezral finishes 5 math problems is 20 mins. Samantha finishes 8 math problems in 30 mins. Who works faster?
Samantha works faster.
7.423 ÷ 1.3 (decimal answer)
5.71
595 ÷ 14 (decimal answer)
42.5
James has a debt of $146 and Dylan has a balance of $122. Who has more money? How much money would James need to earn to have the same amount as Dylan?
Dylan has more money. James would need to earn $268 to have the same amount of money as Dylan.
Make a table and graph to show the following relationship (1 burger to 6 burgers): $12.42 for 3 burgers
White board
What is the GCF of 18 and 54?
18
The movie theater has 5 2/6 lbs of popcorn. If each small popcorn holds 4/7 lbs of popcorn, how many small popcorns can the movie theater make?
The movie theater can make 9 1/3 small popcorns
The August Ahrens students go on a field trip to the movie theaters. Each row in the theater can seat 23 people. If 742 students go on the field trip, how many rows will be filled?
32 rows will be filled and some students will need to sit in the 33rd row.
Put these rational numbers in order from least to greatest: 1 1/5, -2.6, -2 3/4, 1.8, -2 2/5
-2 3/4, -2.6, -2 2/5, 1 1/5, 1.8
35% of 72 is _____
25.2
Santa delivers 16 presents in 2 mins. How many presents does he deliver in 9 mins?
Santa will deliver 72 presents.