Fourth graders learn to compare decimals to hundredths — lining up the decimal points and comparing place by place — discovering that 0.7 is much bigger than 0.07, and that 0.5 equals 0.50.
Students will be able to…
Is 0.7 bigger than 0.07? They both have a 7! When numbers have decimals, how do you know which is greater?
Project each item and have students compare the decimals. The tool explains how to compare place by place.
Tap any phase to open the teacher moves and student actions.
0.7 and 0.07 both have a 7 — are they the same?
Teacher models.
Class uses Which Decimal Is Bigger?
Students compare.
One comparison.
Aligned to the Common Core State Standards for Mathematics.
Compare two decimals to hundredths by reasoning about their size.
Use decimal notation for fractions with denominators 10 or 100.
Express a fraction with denominator 10 as an equivalent fraction with denominator 100.
Use place-value structure to compare decimals.
Preview the three formative checks. Tap “Sample answer” to see what mastery looks like — hide them before you print for students.
Have students order several decimals from least to greatest by lining up the decimal points and comparing place by place. A printable decimals sheet is in the Math library.
Tap a card to flip it, then rate whether you knew it. Built from this lesson’s vocabulary.
A quick self-check with instant feedback, drawn from this lesson’s key terms.
A print-and-go review sheet with a built-in answer key. Tap “Show answer key” to reveal answers, or print the clean version for students.