Adding Subtracting Multiplying Decimal

Multiply

• 1   2
  6   -8

• -3   -5
  -5   -11

• -2     8
  -6   -12

• 2  -3
  5   -2

Tags

CCSS.HSN.VM.C.8

Find the values of x, y and z.

• w = 13, x = 4, y = 7, z = 23

• w = 13, x = -4, y = 11, z = 23

• w = 13, x = 4, y = 11, z = 23

• w = 13, x = 4, y = 11, z = 17

Tags

CCSS.HSA.REI.C.9

Find A+B

• 8     10
  8      1 

• 12     25
  7     1

• 10     30
  0     1

• can't add two together because the rows dont match columns

Tags

CCSS.HSN.VM.C.8

Find A-B

• -3     1
  7     -1

• 1     0
  1     -4

• -4       0
  6     -1

• not possible because rows do not match columns

Tags

CCSS.HSN.VM.C.8

Find the product of the two matrices.

• undefined

• -3   16
  17   12
  8   -10

• 3   12 
  -15  -8
  -1   -3

Tags

CCSS.HSN.VM.C.8

These matrices are being multiplied. Determine the dimension/size of the new matrix. 

• Can't multiply them

• 4  x  2

• 3  x  3

• 4  x  3

Tags

CCSS.HSN.VM.C.8

Subtract

• 3    -8
  0   -1

• 3   -4
  8  -13

• -3   8
  0    1

• 3   -8
  -8    1

Tags

CCSS.HSN.VM.C.8

3.45 + 6.019

• 10.019

• 9.469

• 9.45019

• 10.459

Tags

CCSS.6.NS.B.3

30.09 + 17.95

• 47.075

• 13.05

• 12.86

• 48.04

Tags

CCSS.6.NS.B.3

0.8475 + 0.7796

• 1.2568

• 1.6271

• 1.095

• 0.1349

Tags

CCSS.6.NS.B.3