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Adding/Subtracting Decimals
Write the Number
Multiplication
Think it out!
Word Problems
100
1. 2 + 1.6
What is 2.8?
100
Five thousand, two hundred fifty-two
What is 5,252?
100
17 x 10
What is 170?
100
Peggy sold a total of 6,198 vanilla and chocolate ice cream cones during the Halloween carnival. About half the cones she sold were vanilla. Which estimate is reasonable for the number of chocolate ice cream cones sold? A. 2,500 B. 3,000 C. 3,500 D. 6,000
What is B. 3,000?
100
Ms. Pelfey weighs 132.8 pounds before Halloween. After Ms. Pelfrey eats a bunch of Halloween candy, Ms. Pelfrey gains 3.891 pounds. How much does Ms. Pelfrey weigh after Halloween?
What is 136.691 pounds?
200
21.4 + 6.3
What is 27.7?
200
Fifty-two thousand, fifty-two
What is 52,052?
200
99 x 19
What is 1,881?
200
117 + ? = 264
What is 147?
200
Julie packs 8 toys into a box. Each toy weighs 12 ounces. How many ounces do the toys in the box weigh?
What is 96 ounces?
300
32. 6 + 12.8
What is 45.4?
300
74 million
What is 74,000,000?
300
125 x 67
What is 8,375?
300
Round 64.196 to the nearest tenth.
What is 64.2?
300
Julie packs 8 toys into a box. Each toy weighs 12 ounces. How many pounds do the toys in the box weigh? Hint: 8 x 12 = 96 ounces Hint: There are 16 ounces in a pound.
What is 6 pounds?
400
139.87 + 186.6
What is 326.47?
400
Fifty-two million, fifty thousand, two
What is 52,050,002?
400
879 x 77
What is 67,683?
400
Ms. Lin is making a display of 120 pictures. The display area can fit 10 pictures in each row. Ms. Lin can find the number of rows (r) she will need with this equation: 10 × r = 120 Which equation could she also use to find the answer? A. 120 + 10 = r B. 120 – 10 = r C. 120 × 10 = r D. 120 ÷ 10 = r
What is D. 120 ÷ 10 = r?
400
Nathan wants to buy 12 bags of candy. Each bag of candy contains 72 pieces of candy. Write an equation to show this situation. Then solve.
What is 12 x 72 = p? p = 864 pieces of candy?
500
18 - 12.4
What is 5.6?
500
Six billion, three million, twenty-four
What is 6,003,000, 024?
500
890 x 200
What is 178,000?
500
Morgan recorded the amount of time she spent reading and the number of pages she read each day. Time Number of Pages 60 20 75 25 15 5 45 15 How long will it take Morgan to read 30 pages?
What is 90 minutes?
500
John reads 20 pages of a book each night. The expression 20x can be used to find the total number of pages John has read. What does x represent in this expression? A. number of pages in the book B. number of nights he has read C. total number of pages he has read D. number of pages he has read each night
What is B. number of nights he has read?