Curriculum placement
Grade 4. This describes the skill, not a learner estimate.
Tenths and hundredths as decimals
Connect tenths hundredths fractions and decimal notation
Problem types
- 0.1 or 0.01 more or less than a decimal
- Name a shaded decimal
- Tenths as hundredths
- Read a decimal on a number line
- A decimal as a mixed number
- Locate a decimal or a fraction
- Decimal place value to hundredths
Builds on
- Generating equivalent fractions
- Fractions on a number line · Earlier idea
A fraction with denominator 10 or 100 has a decimal name, and both name the same point on the number line.
- Coins and bills · Earlier idea
A cent is one hundredth of a dollar, so 25 cents is 0.25 dollar, a decimal with hundredths.
Leads to
- Comparing decimals to hundredths
- Money with decimals
- Powers of 10 and place value
- Percent of a number · Extend the idea
Tenths and hundredths name fractions with denominator 10 and 100. A percent is a fraction with denominator 100, so a decimal and a percent are the same amount written with the point moved two places.
Related skills
- Fractions shown by a model · Related idea
A tenths or hundredths grid is a fraction model whose whole is divided into ten or one hundred equal parts.
- Telling rationals from irrationals · Related idea
Every fraction has a decimal name that ends or repeats, and a repeating decimal is converted back to a fraction.
- Adding and subtracting unlike fractions · Shared foundations
- Comparing fractions with benchmarks · Shared foundations
- Multiplying fractions · Shared foundations
Open the interactive map to explore lessons and skill connections.