Act 1
How many pretzels are in the box?
Write down a guess.
Act 2
3. What information would be useful to figure this out?
4. Write down some questions you have in your head right now.
Act 3
Sequel
5. What would happen if 21 pretzels were in each pack?
6. What would happen if the box contained 75 snack packs?
7. Can you think of a way to multiply 17 and 60 in an easier way?
Standards
Common Core
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.
TEKS
4.4(D) - use strategies and algorithms, including the standard algorithm, to multiply up to a four-digit number by a one-digit number and to multiply a two-digit number by a two-digit number. Strategies may include mental math, partial products, and the commutative, associative, and distributive properties