Rounding
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The
temperature this morning was 51˚F.
It raised 26˚ by the afternoon. The temperature
fell 12˚ that night. Which number sentence shows the best way to
estimate what the temperature was that night?
A. 50˚ + 30˚ -10˚=70˚
B. 50˚ + 30˚ +10˚= 90˚
C. 50˚ + 20˚ -10˚=60˚
D. 50˚ + 20˚ +10˚=80˚
The left
side of the movie theater has 76 seats. The right side of the movie theater has
81 seats. People are sitting in 98 of the seats. About how many seats at the
movie theater are empty?
Graphing
Perimeter
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1. Carla’s garden, which is in the shape
of a rectangle, has a total perimeter of 24 feet. If the length of her garden
is 8 feet, how many feet is the width?
2. Coach Adam has
two square gymnastics mats. The length of each side is 6 feet. What is the
total perimeter if the mats are pushed together to make a rectangle?
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