Decimals Quiz

The RULE to remember for adding and subtracting decimals is:

• Line them up, fill it in, drop it down

• Stop, drop, and roll

• drop it down, line them up, fill it in

• Fill it in, line them up, drop it down

Tags

CCSS.5.NBT.B.7

1.773 + 9.3 =

• 17.3

• 11.073

• 17.3

• 11

Tags

CCSS.6.NS.B.3

7.63 + 2.25 =

• 9.25

• 10.9

• 9.9

• 9.88

Tags

CCSS.6.NS.B.3

Match the problems with their correct estimate.

• 6

• 22.9 + 2.2

• 25

• 4.1 + 1.8

• 15

• 10 + 5.1

2.66 - 0.899 =

• 176.1

• 0.671

• 17.61

• 1.761

Tags

CCSS.6.NS.B.3

1.56 - 0.6 =

• 0.96

• .096

• 9.6

• 96.0

Tags

CCSS.6.NS.B.3

Match the best estimate to their correct problem.

• 16

• 19.88 - 4.2

• 71

• 81.3 - 9.99

• 45

• 49.6 - 5

Drag the correct answer into the box​ : 0.755 + 1.5 = ​ ​ ​ (a)  

• 2.255
• 5.25
• 2.225
• 2.55

Tags

CCSS.5.NBT.B.7

40.02 - 6.25 = 33.77

• True

• False

Tags

CCSS.5.NBT.B.7

To solve the problem 25.55 - 7.3, Maya set up her problem like this:

25.55

- 7.3

What mistake did Maya make? Type in your answer below.

Tags

CCSS.6.NS.B.3