Math - Investigation 2 Quiz review

Math - Mrs. Legnner

What is the Value of this Chipboard(Red = Negative Black = Positive)

7

What is 3.78 + 4.23

8.01

What is -3/5 + 1/2

-1/10

3.45 + 2.1 = ?

5.50 or 5.5

-3/5 + 4/6

1/15

Write a fact family for 7-5=2

2+5=7, 5+2=7, 7-2=5, 7-5=2

what is -5 - 7 as an addition problem

-5 + -7

What is 18 + -38 as a subtraction problem

18 - 38

What is -9 + -1 as a subtraction problem

-9 - 1

Write a fact family for 10+9=19

10+9=19, 9+10=19, 19-10=9, 19-9=10

3/8 - 5/8 = ?

-2/8

How many POSITIVE Chips would you add to this chipboard to make its value 11

4

What equation could you write for this chipboard

10 + -3

What equation could you write for this chipboard

12 + -5

-3/10 - (-3/4)

9/20

What is the name of the method we use to turn addition problems to subtraction and vice versa

KCC(Keep, Change, Change)