# Mathematics - 4th

• Use place value models to read, write, add and subtract numbers to 100,000
• Convert between mixed numbers and improper fractions
• Understand decimal notation through hundredths
• Read and write decimals that are greater than or less than 1
• Solve multi-digit multiplication and division problems
• Add and subtract unlike fractions and decimals
• Find the greatest common factor and least common multiple
• Use formulas for area and perimeter
• Explore the properties of circles and three-dimensional solids
• Figure elapsed time
• Construct line plots, stem-and-leaf plots, tables and line graphs
• Find the mean, median, mode and range
• Express the probability of an event as a fraction
• Identify, describe and extend numeric and non-numeric patterns
• Identify prime and composite numbers
• Solve problems with variables, equality and inequality
• Use technology and calculators to solve complex problems
• Use estimation to check reasonableness
• Present mathematical thinking in writing
• Programs used include Math in Focus