Number Sense
100

The water level at Lake Willow was -14 feet. After 3 days of rain, the water level rose by 23 feet. What is the water level after the rain?

What is 9 ft?

200

Nikki exercised for 180 minutes. Three-fifths of those minutes were spent running. How many minutes did she spend running?

What is 108 minutes?

300

1/2(r+s) 

r=19 and s=7

What is 13?

400

One-fourth of the seventh grade students made honor roll in the first quarter. The number of honor students increased by 18 in the second quarter. If 105 made honor roll in the second quarter, how many total seventh graders are there?

What is 348 students?