NBT.7a Lesson

NBT.7a Lesson

I can add and subtract decimals.

Multiple Select

What do you call the answer to an addition problem?

• quotient

• product

• sum

• difference

Multiple Select

What do you call the answer to a subtraction problem?

• quotient

• product

• sum

• difference

Multiple Select

What do you do with the decimals when you add or subtract?

• remove them

• line them up

• move them back a place

• move them forward a place

Let's work it out!

Multiple Select

Solve.

45.2 + 294.1 =

• 339.4

• 342.5

• 746.1

• 339.3

Multiple Select

Solve.

63.487 + 2.5 =

• 6351.2

• 65.987

• 65.142

• 63.512

Multiple Select

Solve.

489.3 - 15 =

• 473.12

• 487.8

• 47.43

• 474.3

Multiple Select

Solve.

26 - 13.85 =

• 12.15

• 13.85

• 12.25

• 12.73

Let's try some word problems.

Multiple Select

A weatherman was measuring the amount of rain two cities received over a week. City A received 2.25 inches, while City B received 3.8 inches. How much rain did they get altogether?

• 1.55 inches

• 4.76 inches

• 6.5 inches

• 6.05 inches

Multiple Select

Haley downloaded two apps which were 14.88 kb total. If one app was 10.98 kb, how big was the other app?

• 25.86 kb

• 3.9 kb

• 4.5 kb

• 13.26 kb

Multiple Select

Billy was making some brownies and cupcakes for his school fundraiser. If the brownies needed 2.22 cups of sugar and the cupcakes needed 2.8 cups, how much sugar would be needed?

• 0.58 cups

• 5.2 cups

• 6.23 cups

• 5.02 cups

Multiple Select

Edward ate a snack of chips and dip that was 93 calories. If the chips he ate were 43.2 calories, how many calories was the dip?

• 48.9 calories

• 49.8 calories

• 136.2

• 63.1 calories

Poll

Would you rather...

• constantly itch

• always have a cough