# Writing Algebraic Expressions

# 3/4 Building Contest

# Animal Cells

# Plant Cells

# Toothpick Patterns

# All ecosystems depend on…

# GCF

# LCM

Find today’s problem below. The quiz tomorrow will be similar. For practice, what if one movie was 80 minutes and the other was only 30 minutes? If they started together at 4pm, when would they start together again?

Use prime factors to solve. You can use lists of multiples as well. To impress and get a level 4, you could also simplify the factors using exponents.