Common Core Math: Grade 4: Fractions
In fourth grade, students add and subtract fractions with like denominators and compare fractions with unlike denominators. Using visual models, students multiply fractions by whole numbers and generate equivalent fractions. Decimal notation is introduced, as students use decimals to express and compare fractions with denominators of 10 or 100. For both fractions and decimals, students use inequality symbols to record the results of their comparisons.
Common Core Standards
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Fraction Arithmetic
Perform addition, subtraction and multiplication with fractions.
Add and subtract fractions (CCSS.Math.Content.4.NF.B.3a):
Add and subtract mixed numbers (CCSS.Math.Content.4.NF.B.3c):
Multiply a fraction by a whole number (CCSS.Math.Content.4.NF.B.4):
Equivalent Fractions
Identify equivalent fractions.
Determine if fractions are equivalent (CCSS.Math.Content.4.NF.A.1):
Decimal Notation
Write fractions in decimal notation.
Express a fraction as a decimal (CCSS.Math.Content.4.NF.C.6):
Interpret decimals (CCSS.Math.Content.4.NF.C.6):
更进一步
Step-by-Step Solutions for ArithmeticPre-Algebra Web AppFree Unlimited Arithmetic Practice Problems相关示例
Compare Fractions
Reason about the sizes of fractions.