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Probability
Multiplicationn
Subtraction
Random
Addition
100
What is the likelihood of a coin landing on heads when you flip it?
What is 50-50 chance?
100
Make a magnitude estimate. Solve the proble 575 X 16 =
What is 10,000s; 9, 200
100
652-452=
What is 200?
100
Write a number that has 3 in the ones place 6 in the thousands place 8 in the ten-thousands place 1 in the tenths place and 7 in all of the remaining places
What is 86, 773.1
100
Make a magnitude estimate first. Is your sum going to be in the 10s; 100s; 1000s; Solve the problem: 720 + 202 =
What is 700+200 = 900; hundreds; 922
200
Use the probability meter to decide the likelihood of an 80% chance of rain
What is Very likely
200
Make a magnitude estimate. Solve the problem. 4X528 =
What is 2000; 1000s; 2,112
200
443.31-17.1=
What is 426.21?
200
A map scale states that 1 inch = 600 miles. Suzi measured the distance between two cities and found they were 1.5 inches apart. How many miles apart were the two cities?
What is 900 miles
200
Make a magnitude estimate (will your sum be in the 10s; 100s; 1000s) and solve the following problem. 44.3 + 272.5
What is 44 + 273 = 317; 100s; 316.8
300
Use the probability meter to decide the likelihood of a 1/4 chance of having Subway for lunch.
What is unlikely
300
Make a magnitude estimate. Solve the problem. 34.9 X 4.41
What is 35 X 4 = 140; 153.909
300
47.7 - 16.03 =
What is 31.67
300
Write 653.8 in expanded notation.
What is 600 + 50 + 3 + 0.8
300
Add the following two numbers: 45.1 + 94.831
What is 139.931
400
Use the probability meter to decide the likelihood of landing on green if green has a 20% probability of being landed on.
What is Very unlikely
400
Make a magnitude estimate. Solve the problem. 66.2 X 32.1 =
What is 66 X 32 = 2,112; 1000s; 2,125.02
400
Make a magnitude estimate and solve the following problem: 123.45 - 67.89 =
What is 55.56? 123 - 68 = 55; 10s
400
Jack's great grandmother was born in 1912. His family is having a celebration for his birthday in 1995. There were 68 family members at the party. How old did Jack's great-grandmother turn on her birthday in 1995? a. List the numbers needed b. Describe what you want to find. C Write an open number sentence. D. Write the solution. E. write the answer
What is a. 1912, 1995 b. Age of Jack's great-grandmother c. p = 1995 - 1912 d. p = 83 e. 83 years
400
Make a magnitude estimate and then solve the following problem: 451.67 + 234.123 =
What is 685.793?
500
Use the probability meter to decide the likelihood of a 90% snow storm
What is very likely
500
Why is making a magnitude estimate helpful?
What is an estimate helps you know if your answer is reasonable.
500
Make a magnitude estimate and solve the following problem? 81.2 - 34.567 =
What is 81 - 35 = 46? 10s; 46.633
500
Two fifth grade classes raised money for their local animal shelters. There are 20 students in class A. Each student raised $12. There are 26 students in Class B. Each student in class B raised 1.5 times as much as each student in Class A. How much money was raised altogether in both classrooms? The money raised went to two shelters. One shelter received twice as much as the other. How much money did each shelter receive?
What is 708 dollars altogether? One shelter received 472; One shelter received 236
500
Make a magnitude estimate and solve the following problem: 555.55 + 777.777
What is 1,333.327