BIG Ideas Students Develop about Math in Grade 4

In fourth grade, there are a few BIG ideas students learn and that are the foundation for future learning in mathematics:

• Read, write, and represent numbers to 1,000,000 using numbers, number names, and expanded form.
  • How? Working with Larger Numbers
• Compare two multi-digit numbers using <, >, =
  • How? Comparing Larger Numbers
• Round any number to 1,000,000 to nearest place value.
  • How? Rounding Numbers on a Number Line with Benchmarks
• Fluently add and subtract multi-digit numbers to 1,000,000 using the standard algorithm
• Know factors of numbers to 100, as well as if a number is prime or composite
  • How? Finding Factors of with Cuisenaire Rods
  • How? Determining Prime and Composite Numbers
• Generate equivalent fractions
  • How? Using Models to Create Equivalent Fractions
  • How?2 Using Models to Create Equivalent Fractions
• Compare fractions with different numerators and denominators
  • How? Comparing Fractions
  • How?2 Comparing Fractions Using a Number Line
• Add and subtraction fractions and mixed numbers with the same denominator
  • How? Adding Fractions with Like Denominators
  • How? Adding and Subtracting Mixed Numbers with Like Denominators
• Apply understanding of area and perimeter to real world problems
• Use strategies to multiply a four digit by a one digit number
  • How? Using Area Model to Multiply Larger Numbers
• Use strategies to divide a four digit number by a one digit number (with remainders)
  • How? Division Strategies with Larger Numbers
  • How?2 Division Strategies with Larger Numbers
• Understand equal fractions and decimals with tenths and hundredths (/10, /100, .x, .xx)
  • How? Using Models to Compare 10ths and 100ths
  • How? Fractions to Decimals

BIG IDEAS in 3rd GRADE