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7th Math Unit 2 Day 10 - 11/13
By Admin Espinoza
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Last updated almost 2 years ago
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Objective and Summary:
SWBAT understand rules for multiplying postive/negative integers by connecting to addition
Question 1
1.
You have four cards that say "-5" on them.
Write an
addition
equation to find the sum.
CFS:
#1:
Accurately interprets positive and negative signs
#2:
Accurately writes equation
Question 2
2.
Represent the same four cards that say "-5" as multiplication.
Write a
multiplication
equation.
Question 3
3.
Integer Cards
--Mr. Kovalik removes two cards when playing the integer card game. The cards he removes are two, -3 point cards.
If he gets rid of these penalties, how will this affect his score?
Write a
multiplication equation
to represent the change to your test score.
CFS:
#1:
Accurately interprets positive and negative signs
#2:
Accurately writes equation
Question 4
4.
Calculate
--What is the value of -4(-9)?
CFS:
#1:
Accurately interprets positive and negative signs
MEDIUM Problems
Question 5
5.
Question 6
6.
Draggable item
arrow_right_alt
Corresponding Item
arrow_right_alt
arrow_right_alt
arrow_right_alt
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Question 7
7.
3x4=
Question 8
8.
3x(-4)=
Question 9
9.
-4x3=
Question 10
10.
-2x(-2)=
Question 11
11.
8x(-2)=
Question 12
12.
-8x(-2)=
Question 13
13.
9x(-9)=
Question 14
14.
-9x9=
Question 15
15.
-9x(-9)=
Question 16
16.
SPICY--Try if you have time.
BE CREATIVE
--Find multiple ways of getting a value of -18 through according to the criteria:
a)
Use one positive and one negative number and
multiplication
.
b)
Use only negative numbers and
addition
.
Question 17
17.
Derek wrote the following addition expression to represent the money he has spent on hats for
Among Us:
-2+(-2)+(-2)+(-2)+(-2)+(-2)+(-2)+(-2)
Help him represent the total amount of money he has spent by writing an
equivalent multiplication equation.
CFS:
#1:
Accurately interprets positive and negative signs
#2:
Accurately writes equation
Nice job! This is a shorter lesson, so please do the following:
1) Practice more
integer multiplication on IXL: (Search Codes: NB8, K7U, DQT)
2) Practice challenge skills like Algebra 1 or do more diagnostic practice to push yourself ahead!
MULTIPLE--
Mariah is trying to find as many ways as possible to get a final answer of
-24
.
Select
all
expressions that are
equivalent
to -24.
CFS:
#1:
Accurately interprets positive and negative signs
12(-2)
-3(-8)
-6(4)
-12+(-12)
12+(-2)
Mix n Match
--Match the multiplication expressions with their products.
(Drag the blue arrows on the left side
up or down
so that they match with the answer on the right side)
CFS:
#1:
Accurately interprets positive and negative signs
-15\times2
-56
8\times(-7)
56
-2\times(-15)
-30
-7\times(-8)
30