Vocabulary
comparing how many times bigger or smaller one thing is compared to another, using multiplication
Is this problem a multiplicative comparison or an additive comparison?
Baxley cleans 23 more houses a week than Zoe. Zoe cleans 15 houses.
Additive
Solve the multiplicative problem:
Sadie has 7 pumpkins in her yard. Alexa has 4 times as many pumpkins in her yard as Sadie. How many pumpkins does Alexa have in her yard?
7 x 4 = ?
? = 28 pumpkins
55 is __ times as many as 5.
11
Auriella has 12 bracelets, which is 4 times as many ties as Karsyn. Karsyn has 3 bracelets. What equation represents the comparison?
12 = 4 x 3
a mathematical sentence that has two equal sides separated by an equal sign
Equation
Is this problem a multiplicative comparison or an additive comparison?
Journei and Addison collect bracelets when they go on vacation. Addison has 4 times as many bracelets as Journei.
Multiplicative
Solve the multiplicative problem:
Paislee ate 6 pieces of candy. Her brother ate 3 times as many pieces of candy as her. How many pieces of candy did Paislee's brother eat?
6 x 3 = ?
?=18 pieces of candy
60 is ___ times as many as 3.
20
Andrews is arranging 24 DVDs. If he has 4 shelves, how many DVD's can he arrange on his shelves if he wants to have an equal number of DVD's on each shelf?
6 DVDs
to find the relation between two amounts by asking or telling how much more or less one amount is one compared to the other
Additive comparison
Write either an additive comparison statement or a multiplicative comparison statement that goes with the problem. Then solve.:
Tucker has 10 king size candy bars. Max collected 5 more king size candy bars than Tucker. How many king size candy bars did Max collect?
10 + 5 = ?
?=15 king size candy bars
Solve the multiplicative problem:
Gunner saw 6 birds flying. Nate saw 36 birds flying. How many times as many bats did Nate see than Gunner?
36 = 6 x ?
?=6 times as many bats
___ is 9 times as many as 7.
63
There are 63 students buying their lunch on Friday. This is 7 times as many as fourth graders who pack their lunch.
What equation can be used to find how many fourth graders pack their lunch on Friday?
? x 7 = 63 or 63 ÷ 7 = ?
the number of elements (items) within a set
Set size
Write either an additive comparison statement or a multiplicative comparison statement that goes with the problem. Then solve.:
The pumpkins at Winston's Pumpkin Patch cost $4 a pumpkin. The pumpkins at Sammi Farms cost 3 times as much. How much do the pumpkins at Sammi Farms cost?
4 x 3 = ?
?=$12
Solve the multiplicative problem:
Izzy made 12 paper pumpkins to decorate her house. Auri made 3 times as many paper ghosts as Izzy. How many paper pumpkins did Auri make?
12 x 3 = ?
?=36 paper ghosts
Complete the multiplicative comparisons by using the numbers in the parentheses. Each number can only be used once.
____ is 5 times as many as ____.
(2, 45, 15, 9, 30, 7)
45 is 5 times as many as 9.
Preston spent 40 minutes at the library this week. He checked out 2 movies and 8 books from the library.
What additive and multiplicative comparison statements can you make about the number of movies and books Preston checked out from the library?
Preston checked out 4 times as many books as movies from the library.
Preston checked out 6 more books than movies from the library.
“In that I command thee this day to love the Lord thy God, to walk in his ways, and to keep his commandments and his statutes and his judgments, that thou mayest live and multiply:”
Deuteronomy 30:16
Write either an additive comparison statement or a multiplicative comparison statement that goes with the problem. Then solve.:
Liyah got 24 bags of pop-its. She has 4 times as many of pop-its as fidget spinners. How many fidget spinners did Liyah get?
24 = 4 x ?
?=6 fidget spinners
Solve the multiplicative problem:
Kate's family made 56 cookies. Lauren's family only made 8 cookies. How many times as many cookies did Kate's family make than Lauren's?
56 = 8 x ?
?=7 times as many cookies
Complete the multiplicative comparisons by using the numbers in the parentheses. Each number can only be used once.
____ is 4 times as many as ___.
(40, 12, 2, 8, 44, 48)
48 is 4 times as many as 12.
Blake spent 50 minutes baking this week. He made 2 pies and 5 cakes.
a. Mrs. Kristine wants to bake 4 times as many pies next week as she did this week. How many pies will Mrs. Kristine make next week?
b. Mrs. Kristine spent 5 times as many minutes baking cakes and pies this week as she did last week. How many minutes did Mrs. Kristine spend baking last week?
a. 4 x 2 = 8 pies will be made next week
b. 5 x ? = 50
?= 10 minutes spent baking last week