# Mathematics

UNIT 1:NUMBER AND NUMBER SENSE

• representing and ordering numbers to 100,000
• representing money amounts to \$1,000
• developing the concept of place value to hundredths
• comparing and ordering fractional amounts with like denominators
• adding and subtracting decimal amounts to hundredths
• multiplying two-digit whole numbers by two-digit whole numbers
• dividing three-digit whole numbers by one-digit whole numbers
• relating simple fractions to decimals

UNIT 2: MEASUREMENTS

• measuring time intervals to the nearest second
• determining elapsed time
• measuring temperature
• converting from meters to centimeters and from kilometers to meters
• relating the 12-hour clock to the 24-hour clock
• developing and applying area and perimeter relationships for a rectangle
• relating capacity and volume
• developing and applying the volume relationship for a right rectangular prism

UNIT 3: GEOMETRY AND SPATIAL SENSE

• distinguishing among polygons and among prisms
• identifying acute, right, obtuse, and straight angles
• measuring angles to 90° with a protractor
• constructing triangles
• constructing nets of prisms and pyramids
• locating objects using the cardinal directions
• performing and describing translations

UNIT 4: PATTERNING AND ALGEBRA

• representing a pattern using a table of values
• predicting terms in a pattern
• determining the missing numbers in equations involving addition, subtraction, multiplication, or division and one- or two-digit numbers
• investigating variables as unknown quantities
• demonstrating equality using multiplication or division in equations with unknown quantities on both sides

UNIT 5: DATA MANAGEMENT AND PROBABILITY

• collecting and organizing discrete and continuous data
• displaying data using broken-line graphs
• sampling data from a population
• understanding mean
• comparing two related sets of data
• representing probability using fractions