4.1.2: Represent and compare fractions and decimals in real-world and mathematical situations; use place value to understand how decimals represent quantities.

Represent and compare fractions and decimals in real-world and mathematical situations; use place value to understand how decimals represent quantities.

4.1.2.1Represent equivalent fractions using fraction models such as parts of a set, fraction circles, fraction strips, number lines and other manipulatives. Use the models to determine equivalent fractions.4.1.2.2Locate fractions on a number line. Use models to order and compare whole numbers and fractions, including mixed numbers and improper fractions.4.1.2.3Use fraction models to add and subtract fractions with like denominators in real-world and mathematical situations. Develop a rule for addition and subtraction of fractions with like denominators.4.1.2.4Read and write decimals with words and symbols; use place value to describe decimals in terms of thousands, hundreds, tens, ones, tenths, hundredths and thousandths.4.1.2.5Compare and order decimals and whole numbers using place value, a number line and models such as grids and base 10 blocks.4.1.2.6Read and write tenths and hundredths in decimal and fraction notations using words and symbols; know the fraction and decimal equivalents for halves and fourths.4.1.2.7Round decimals to the nearest tenth.
Goblins

1-on-1 AI tutoring aligned to 4.1.2. Instant help for students, real-time insights for teachers.

Used in classrooms by 100,000+ students at Baltimore County, Plano ISD, Deer Valley USD, KIPP, and districts nationwide.

Free for teachers, forever →