Adding Subtract Decimals

A jeweler has 122.83 grams of silver.  He uses 45.7 grams of the silver to make a necklace and earrings.  How much silver does he have left?

• 168.53 g

• 77.13 g

• 118.26 g

• 87.13 g

Add.
-5.62 + (-12.9)

• 18.52

• -18.52

• -17.52

• 6.91

Subtract. 
9.85 - 41

• -31.15

• 31.15

• 9.43

• -50.85

$52.76 + $33.22

• $65.44

• $90.10

• $75.33

• $85.98

$15258.75 + $7321.00

• $22578.75

• $22579.75

• $22580.75

What is the best estimate for the difference of 
33 - 10.23

• 10

• 200

• 23

• 9

6.7 + 0.9 = 

• 7.6

• 6.16

• 5.8

• 12.3

$8.67 + $5.84 = 

• $14.51

• $1,451

• $2.83

• $41.51

$3.25 + $2.06

• $5.85

• $5.31

• $5.256

• $6

Subtract 1.248 - 0.92

• 0.445

• 0.662

• 0.324

• 0.328