In this topic, students will:
use fraction strips and number lines to add fractions
decompose a fraction or mixed number into a sum of fractions in more than one way
solve problem involving part of the same whole by adding fractions with like denominators
use tools such as fraction strips, area models, and number lines to subtract fractions
solve problem involving separating parts of the same whole by subtracting fractions
count forward or backward on a number line to add or subtract
use models and equivalent fractions to add and subtract mixed numbers
use equivalent fractions to add mixed numbers with like denominators
use equivalent fractions, properties of operations, and the relationship between addition and subtraction to subtract mixed numbers with like denominators
Vocabulary:
Decompose - to break into parts
Compose - to combine parts
Mixed number - a number that has a whole number part and a fraction part
Fraction greater than 1 - If the numerator of the fraction is greater than the denominator, then it is a fraction greater than one whole