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addition/subtraction
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100

Using a number line represent the subtraction problem 82-79.  

possible models on a number line 

starting at 82 and jumping back 79

finding the difference between 79 and 82 

starting at 79 and jumping forward to 82

100

what is the sum of 1,040 + 998 ?

2038

100

True or false

28 X 8 = 20 X 8 + 8 X 8 

True = 224

100
make a LINE PLOT for this data set 

1, 1, 1, 1 , 2, 3, 5, 5, 7, 8, 8, 8

graph must have X to indicate data point on above a labeled number line

100

7/10 + 23/100 = ?/100

93/100

200
Using a ratio table, show how many groups of 8 can go into 280. 

35 groups of 8 go into 280  

200

What is the difference between 1000 - 789? 

211

200

135 X 13 = ? 

1,755 

200

The mode for the following data set. 

1, 1, 1, 1 , 2, 3, 5, 5, 7, 8, 8, 8

The mode = 1 
200

50/100 - 3/10 = ?/10 

2/10 

300

compare the fractions 1/3 and 3/4 by drawing two fraction strips 

1 out of 3 pieces should be colored on one strip 

3 out of 4 pieces should be colored on the other 

3/4 is bigger than 1/3 

300
What is 14,998 + 440? 

15,438

300

4907 divided by 7 = ? 

701

300

The median for the following data set . 

1, 1, 1, 1 , 2, 3, 5, 5, 7, 8, 8, 8

There are 12 data points.  The mean is between 3-5 so it is 4. 

300

7/8 + 2/8 = ? 

1 1/8 or 9/8 

400

Use partitioning and the "box" method to model 82 X 79 

the partial products will round up to 6,478
400
True or false 20,000-15,498 = 19,999-15,497

True, the answer to both is 4,502

400

999 X 8 = ? 

1000 X 8 - 1 group of 8 

8000 - 8 = 7,992

400

The range of the following data set. 

1, 1, 1, 1 , 2, 3, 5, 5, 7, 8, 8, 8

The range is the difference between the maximum and the minimum so 8-1.  Range = 7. 

400

the LCD for 1/4 and 4/6 =? 

12 

500
Use an area model for the following division problem.  2464 square ft. = the area of a rectangle 

One dimension is 8 What is the other dimension?

308 

500

True or false 20,123 = 20,000 + 100 + 10 + 13 

True 

500

43 divided by 6 = ? 

7 R 1 

500

How do you find the mean (average) data point for a set of data? 

All the data points together and divide the sum by the total number of data points. 

500

What would .76 written as a fraction in its simplest form?

76/100 = 19/25