Khan Academy
Khan Academy: Practice Multiply Single Digit Numbers
Practice questions multiplying various one-digit numbers where students have to determine the product or a factor.
Khan Academy
Khan Academy: Fraction Multiplication as Scaling
Interpret how multiplying by a fraction greater or less than 1 affects the product. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Illustrative Mathematics
Illustrative Mathematics: Calculator Trouble
Even though students can solve this problem by multiplying, it is unlikely they will. Here it is much easier to answer the question if you can think of multiplying a number by a factor as scaling the number. Aligns with 5.NF.B.5.