CK-12 Foundation
Ck 12: Creating Largest and Smallest Numbers Given Digits (Grade 4)
[Free Registration/Login may be required to access all resource tools.] This learning module features five videos and a set of practice questions on creating the largest and smallest values from given digits.
CK-12 Foundation
Ck 12: Arithmetic: Decimal Comparisons Without Rounding
[Free Registration/Login may be required to access all resource tools.] Compare and order decimals without using rounding.
E-learning for Kids
E Learning for Kids: Math: Snorkeling Great Barrier Reef: Number: Count to 20 and Comparison
Go snorkeling with Bill in the Great Barrier Reef and help him with some numbers in the sea!
CK-12 Foundation
Ck 12: Arithmetic: Comparison of Integers With Absolute Value
[Free Registration/Login may be required to access all resource tools.] Compare and order integers by using a number line and inequality symbols
University of Cambridge
University of Cambridge: Nrich: Rectangle Tangle
On this one page website sharpen your logic and fractional part skills while working on this challenge. The solution is available to double check your solution.