Rounding Decimals
Adding Decimals
Subtracting Decimals
Adding and Subtracting Using Estimation
Word Problems
100
23.26 to the nearest tenth
What is 23.3?
100
2.12 + 4.50
What is 6.62?
100
5.75 - 2.25
What is 3.50?
100
Estimate to the nearest whole number and then add. 2.12 + 9.89
What is 12?
100

Brandon and Knox have 12.036 pounds of Halloween candy to give out. They give out 9.608 pounds. How much do they have left?

What is 2.428 pounds?

200
245.32 to the nearest whole number.
What is 245
200
9.11 + 6.99
What is 16.10?
200
12.709 - 3.621
What is 9.088?
200
Estimate to the nearest tenth and then add. 3.26 + 12.42
What is 15.7?
200

Mia and Kendall go trick-or-treating. Mia's candy weighs 1.023 pounds. Kendall's candy weighs 1.458 pounds. How much does their candy weigh in all?

What is 2.481 pounds?

300
23.068 to the nearest hundredth
What is 23.07
300
231.02 + 14.25
What is 245.27?
300
14.98 - 2.19
What is 12.79?
300
Estimate to the nearest whole number and then subtract. 8.792 - 3.247
What is 6?
300

Mary and Lilian got gum for Halloween. They are seeing who can blow a bubble the fastest. It takes Mary 18.92 seconds to blow a bubble. It takes Lilian 17.231 seconds. How much faster is Judd?

What is 1.689 seconds?

400
14.878 to the nearest whole number.
What is 15?
400
2.036 + 5.54
What is 7.576?
400
9 - 3.65
What is 5.35?
400
Estimate to the nearest tenth and then subtract. 7.21 - 5.68
What is 1.5?
400

Kingston and Hamzah are racing to the candy bucket. It takes Kingston 9.036 seconds. It takes Hamzah 9.36 seconds. Who is faster and by how much?

What is Abbey is 0.324 seconds faster?

500
99.899 to the nearest whole number.
What is 100?
500
29.87 + 3.425
What is 33.295
500
24 - 11.925
What is 12.075?
500
Estimate to the nearest hundredth and then subtract. 15.807 - 4.924
What is 10.89?
500

Mrs. Newman is making cupcakes for her class. The cupcakes weigh 2.36 pounds, the icing weighs 2.564 pounds, and the sprinkles weigh .92 pounds. What is the total weight?

What is 5.844 pounds?

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