Whole Numbers & Decimals
Operations with Decimals
Multiplication
Estimation and Ballpark
Surprise!
100
Round 345.672 to the nearest Tenths
What is 345.7
100
Mary ran 12.5 miles on Monday, 6.25 on Tuesday, and 6.35 on Wednesday. How many Miles did she run in all?
What is 25.1 miles
100
Find the product: 395 x 21
What is 8,295
100
Estimate the sum: 356 + 32
What is 390
100
Jackson had $300 in his account. He bought a scooter for $151.25 and a book for $25.50. Then he got a check for $100 for his birthday and deposited it. How much does he have in his account now?
What is $223.25
200

What is the value of the 8 in the number 735,41.98

What is .08 or Eight HundredTHs

200
Subtract: 549.26 - 39
What is 510.26
200
Find the product: 36 x .12
What is 4.32
200
Estimate the difference: 756.3 - 25
What is 730
200
If you have a dividend of 654 and a divisor of 6, what is your quotient?
What is 109
300
Place the following numbers in order from least to greatest. 8.56 , 8 , 80.54 , 8.056 , 80.54 , .860
What is .860 , 8 , 8.056 , 8.54 , 8.56 , 80.54
300
Round to the nearest tens, then add 548.36 + 25.65
What is 580
300
Cassie went to the store to buy pencils. Each pencil costs $0.36 If she wanted to buy one pencil for each of her 34 friends (not herself), how much money would she spend.
What is $12.24
300
Estimate the product: 386 x 65
What is 28,000
300
Solve for n n x 9 = 108
What is 12
400

Place the following number in word form: 2,600.509

What is: two thousand, six hundred, and five hundred nine thousandths.

400
Estimate the difference 36.24 - 12.00
What is 30
400
Zane needs 0.8 ounces of lime juice per person for the punch he is making. He wants to make 32 servings of punch. How many ounces of lime just does he need to make his punch?
What is 25.6 ounces of lime juice.
400
John jogged 3 days last week. The most amount he jogged is 7 miles. The least amount he jogged is 3 miles. What is a reasonable estimate of the amount of miles John jogged last week? A) Less than 9 B) Between 6 and 10 C) Between 10 and 20 D) More Than 21
What is C
400
Which of the following is true? A) 183 < 183.0 B) 216.6 < 21.66 C) 54 > 54.62 D) 0.36 < 0.065
What is D
500

Place this number into expanded form. 2.26

What is (2 x 1) + (2 x 0.1) + (6 x 0.01)

500

Lauren and Jake were building a house. Lauren's biggest piece of wood was 356.21 inches long. Jake's biggest piece of wood was 256.35 inches long. Robert's piece of wood was 369.23. How much longer was Lauren's piece of wood, than Jake's?

What is 99.86 inches longer

500
Mrs. Smith is going to the fair with her family. If she buys 2 adult tickets at 2.50 a piece, and 4 child tickets for 1.75 a piece. Will she be able to pay with a $20 dollar bill? If so, how much change will she have? If not, how much more money does she need?
What is Yes, she has 8 dollars left.
500
Sydney is making one bow each month for her store. The least amount of ribbon needed for a bow is 3 inches. The most amount needed is 12 inches. What is a reasonable amount of ribbon she will need to make bows for one year? Hint: how many months in a year. A) 35 B)200 C) 36 D) 85
What is D) 85
500
When multiplying a 3 digit number by a 2 digit number, what is the vocabulary word for the two answers you add together to become the final answer?
What is Partial Products