Adding Decimals Day 1 : HW help

What is the structure of this problem?

• Combining equal groups

• Combining UNequal groups

• decomposing equally

• decomposing UNequally

Tags

CCSS.3.OA.A.1

Which operation best matches "combining UNequal groups"

• add

• subtract

• multiply

• divide

Tags

CCSS.5.NBT.A.4

What is 7.81 rounded to the nearest WHOLE ( ones place) ?

• 7.8

• 7.82

• 7

• 8

Is 21.81 miles REASONABLE ( why or why not?) Choose the BEST answer.

• No because we didn't line up the decimals

• No- it's just not.

• Yes because it's close to our ESTIMATE

• Yes because we added

Tags

CCSS.5.NBT.B.7

Try it on your own first. What is the sum of 2 + .78 ?

• .80

• 2.78

• .98

Tags

CCSS.6.NS.B.3

Try it first: What's the SUM of 1.03 + .36 ?

• 1.39

• 4.63

• 1.36

• 4.99

Tags

CCSS.1.OA.A.1

When you have an ADDITION 'total part part' diagram, where does the VARIABLE(?) go ?

• in the first part

• in the second part

• in the total

Tags

CCSS.1.OA.A.1