Khan Academy: Find Missing Factors (1 Digit Multiplication)

Seven-problem exercise on multiplying by one digit.

Lindsay from Khan Academy finds the missing side length on a rectangle when given the area of the rectangle. [3:03]

Find missing divisors and dividends in 1-digit division problems. Quotients are less than or equal to 10. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video tutorial, or receive hints....

Practice questions multiplying various one-digit numbers where students have to determine the product or a factor.

Lindsay finds missing side lengths on polygons when given all other side lengths and the perimeter.

Sal uses regrouping to add 35 + 6 in this Khan Academy video. [4:14]

In this exercise, students practice dividing by one-digit numbers (no remainders). Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.

In this single-digit multiplication worksheet, early mathematicians multiply two single-digit numbers together and write the answer below the line in each problem. There are 20 multiplication problems to solve.

Demonstrates how to use a known perimeter to calculate the missing length of a side of a polygon. [4:54]

Third and fourth-graders multiply two digits by one-digit numerals with some regrouping. They solve 15 problems.