standard_description: Multiply a whole number of up to four digits by a one-digit whole number, and multiply two two-digit numbers, using strategies based on place value and the properties of operations. Illustrate and explain the calculation by using equations, rectangular arrays, and/or area models.
Grade 4 expectations in this domain are limited to whole numbers less than or equal to 1,000,000.
problem_activity: Task
Jillian says
I know that 20 times 7 is 140 and if I take away 2 sevens that leaves 126. So 126 $\div$ 7 = 18.
Is Jillian's calculation correct? Explain.
Draw a picture showing Jillian's reasoning.
Use Jillian's method to find 222 $\div$ 6.


aligns: no