Place Value
Adding Decimals
Subtracting Decimals
Multiplying Large Numbers
Multiplying Decimals
100

What is the value of the number 2 in the number: 824.3?

20

100

2.3 + 4.6

6.9

100

7.93 - 1.23

6.70

100

32 x 12

384

100

4.64 x 3

13.92

200

What place is the 4 in: 891.43?

Tenths place

200

7.34 + 9.2

16.54

200

12.74 - 3.65

9.09

200

439 x 72

31608

200

8.4 x 0.3

2.52

300

How do you write 132.1 in NUMBER NAME or WORD FORM?

One hundred thirty two and one tenth

300

3.924 + 21.75

25.674

300

24.124 - 13.56

10.564

300

408 x 42

17136

300

82.4 x 3.4

280.16

400

How do you write four hundred seventy three and twenty one hundredths in STANDARD FORM?

473.21

400

Sally had 7.4 grams of flour and 3.934 grams of sugar. How much did she have IN ALL?

11.334

400

Tom ran a mile in 67.42 seconds. Dale ran the same mile in 62.48 seconds. What is the difference between their two times?

4.94 seconds

400

Rachel made 63 batches of cookies. Each batch contained 81 cookies each. How many cookies did she make in all? 

5103

400

90.3 x .78

70.434

500

How do you write 72.84 in EXPANDED FORM?

(7 x 10) + (2 x 1) + (8 x 1/10) + (4 x 1/100)

500

Luna ate 8.902 pounds of a cake. Her brother, Mark, ate 4.29 pounds of the same cake. How much did they eat in all?

13.192

500

Layla caught a fish that weighed 89.401 pounds. Leon caught a fish that weighed 45.82 pounds. What is the difference in their fishes weights?

43.581

500

Lester made 945 lemon bars. Lisa made 67 lemon bars. What is the answer if you multiply both numbers?

63315

500

2.42 x 5.3

12.826

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