Grade 8 Math

The additive inverse of -9/15 is:

• -15/9
• 9/15
• 0
• 15/9

Tags

CCSS.7.NS.A.1

CCSS.7.NS.A.3

The two rational numbers which are equal to their recipeocals are

• 1,-1
• 1,0
• -1,0
• 0,2

Tags

CCSS.6.EE.A.4

CCSS.6.EE.B.5

The rational number 3/2 lies between __________ and ____________ on the number line.

• 0,1
• 1,2
• 3,2
• 1,-1

Tags

CCSS.6.NS.C.6

CCSS.6.NS.C.7

The product of multiplicative inverse and additive inverse of (-5)/7 is ______________

• 1
• 5/7
• -1
• 0

Tags

CCSS.6.NS.A.1

CCSS.6.NS.C.5

Find the difference between ( 1/ 6 and ( (-1)/18 ) .

• -1/9
• 1/9
• -2/9
• 2/9

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Sum of 2/5 + ( (- 4)/15 ) ______________.

• 6/15
• -2/15
• 2/15
• -6/15

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

The absolute value of (-7)/9 is _____________.

• 9/7
• 7/9
• -9/7
• -7/9

Tags

CCSS.6.NS.C.7

The product of two rational numbers is –7. If one of the number is –10, the other number is.

• -7/10
• -10/7
• 7/10
• 10/7

Tags

CCSS.6.EE.B.5

CCSS.6.EE.B.6

CCSS.6.EE.B.7

Number of rational numbers between any two rational numbers

• 0
• count less
• 1
• 10

Tags

CCSS.6.NS.C.6

CCSS.6.NS.C.7

If x= 13/17 then -(-x)=

• -13/17
• 13/17
• 0
• 1

Tags

CCSS.6.EE.A.2

CCSS.6.EE.A.3