On this page: Learn & Practice | Manipulatives

learn & practice

✏️ Decimal Workbooks from Kumon. If you’re looking for extra practice opportunities, the Kumon math workbooks are an appealing and cost-effective option. Each grade-leveled book covers just one topic and features a clean layout and logical progression of skills. Here are the books in the Decimals Series: Grade 4 Decimals & Fractions (add and subtract decimals to the hundredths place), Grade 5 Decimals & Fractions (multiply and divide decimals), and Focus on Multiplication and Division of Decimals. – Elementary

✏️ Arithmetic modules from Khan Academy. Khan Academy offers a wealth of free math educational resources, including a large library of instructional videos and online practice problem sets. The Decimals module spans all levels, beginning with a basic introduction to decimals and progressing to advanced concepts, including adding, subtracting, dividing, multiplying, and rounding decimals. – Elementary

✏️ Decimals from CK12. CK12 offers free, adaptive online practice across all areas of math. In this module, practice with working with decimals, including comparing decimals, rounding decimals, adding, subtracting, multiplying and dividing decimals, and scientific notation. – Elementary

πŸ”— Content Connection: Fractions. Fractions and decimals are often studied together.

✏️ Area Model Decimals from PhET. Try this fun online simulation from PhETβ€”β€œBuild rectangles of various sizes and relate multiplication to area. Partition a rectangle into smaller areas and discover new strategies for multiplying decimals!” – All


manipulatives

πŸ–οΈ Fraction Tower Set. This set of equivalency cubes, sold by Learning Resources, can be helpful in visualizing the relationship between fractions, decimals and percents. – All

πŸ–οΈ Place value cards. These cards can provide a visual aid to a study of decimals and place value. The linked set includes cards representing place values from 1,000,000 to 0.001. – All