Students will learn how to multiply one-digit numbers by multiples of 10, 100, and 1000.
Do these Khan Academy exercises:
Next, give your students this challenge:
2019 Math Kangaroo Levels 3-4 Problem #18 by STEM4all
Conclude by leading this investigation:
Twisted Homes (rotational symmetry, patterns)
by MathPickle
4.NBT.B.5: 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.