Operations with Decimals

Order from least to greatest.                    1.25  1.52  1.02  1.50

• 1.25  1.52  1.02  1.50
•  1.52  1.02  1.50  1.25 
•  1.02  1.50  1.25  1.52 
• 1.02  1.25  1.50  1.52

Round 45.238 to the nearest whole.

• 45
• 45.2
• 45.23
• 46

Tags

CCSS.5.NBT.A.4

Round 3.567 to the nearest tenth

• 3.5
• 3.57
• 3.567
• 3.6

Tags

CCSS.5.NBT.A.4

What is the first step when adding and subtracting decimals?

• Line up the numbers
• Line up the decimals
• Add or subtract like normal
• Add in placeholders

Tags

CCSS.5.NBT.B.7

Which number is bigger?

• 0.3
• 0.31
• 0.301

Tags

CCSS.4.NF.C.7

2.98+5.3=

• 2.51
• 8.28
• 3.63
• 2.37

Tags

CCSS.6.NS.B.3

55.78+4.6=

• 60.28
• 55.32
• 56.44
• 60.38

Tags

CCSS.6.NS.B.3

7.05-4.6=

• 2.45
• 3.65
• 11.65
• 11.45

Tags

CCSS.6.NS.B.3

94-4.8=

• 89.2
• 5.4
• 90.80
• 98.8

Tags

CCSS.6.NS.B.3

Luis wants to earn $50 to buy his mom a gift. He earned $12.75 mowing lawns, $9.50 cleaning cars, and $11.80 walking dogs. How much more money does Luis have to reach his goal? 
Which of the following is the best way to estimate an answer to this problem?

• 50+13+10+12= 85
• 13+10+12 = 35
• 50 - (13+10+12) = 15
• 50- (12+9+11)= 18