We'll be multiplying using 2 by 1 digits (Decomposing Numbers) with partial products and 2 by 2 digits.
Here's a video of The Lattice that shows another way to multiply 2 by 2 digits .
Samples of additional word problems that we'll be reviewing on...
Marlin Elementary has 17
classrooms of students. Each
classroom has 1 teacher and 22
students. How many students attend
Marlin Elementary?
Randy wants to have a water
balloon fight at his birthday party on
Saturday. There are 56 friends
coming to his birthday party. If he
wants each person to be able to
throw 8 water balloons, which of the
following is the best estimate for the
number of water balloons Randy
needs to buy?
At Cindy’s birthday party, her
friends were allowed to pick three
things to go into their party bag.
They could pick one sticker, one color
of notepad, and one writing utensil.
How many different combinations of
3 things could her friends pick?
Other types of word problems:
The following is a table that a 4th
grade class was using to understand
relationships between numbers.
Input Output
7 21
12 26
18 32
31 45
Using the table above, what is the
relationship between the input and
the output?
A) Multiply by 3
B) Divide by 3
C) Add 14
D) Subtract 14
Anna wrote the following number
sentence on her paper.
4 x ___ = 48
She did not know how to find the
missing number. Which of the
following number sentences could
help Anna find the missing number?
F) 48 4 = ____
G) 4 + 48 = ____
H) 4 x 48 = ____
J) 48 – 4 = ____
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