Grade 2 • Mathematics • Measurement and Data

Grade 2 Mathematics

Measurement and Data

Inch: a customary unit of length
Yard: a customary unit of length equal to 36 inches or 3 feet
Foot: a customary unit of length equal to 12 inches
Centimeter: a metric unit of length, about the width of your finger
Meter: a metric unit of length equal to 100 centimeters
Estimate: a number close to an exact amount
Length: the distance from one point to another
Equation: a number sentence with an equal sign, the amount on one side of the equal sign has the same value as the amount on the other side
Number Line: a diagram that represents numbers as points on a line
Data: information that has numbers
Line Plot: a graph showing frequency of data on a number line
Table: an organized way to list data
Bar Graph: a graph that uses the height or length of rectangles to compare data
Picture Graph: a graph that uses pictures to show data

Estimate the lengths of various objects around the house, such as a table, a book, a toothbrush, etc. Next, measure the same objects using a ruler with inches and centimeters to compare the estimate to the actual length.
Measure the four sides of a square or rectangular table using inches, and then add the four sides together to find the total length of all 4 sides.
Measure two different book lengths using centimeters. Compare the two lengths and determine how much longer one book is than the other.
Survey various family members about their favorite sport, color, ice cream flavor, or pizza topping. Create a bar graph to show the data.