Adding, Subtracting, Multiplying, Dividing Decimals Word Problems

When ​ (a)   decimals, I must always ​ (b)   the decimals.

• adding or subtracting

• line up

• multiplying or dividing

• get rid of

Tags

CCSS.5.NBT.B.7

What is the rule for adding or subtracting decimals?

• Add first

• Line up the decimals first, then fill in with zeros.

• Move the decimal to the right the total amount of numbers after the decimal.

• Subtract

Tags

CCSS.5.NBT.B.7

7.2 - 4.3 =

• 2.9

• 3.9

• 3.1

• 2.1

Tags

CCSS.6.NS.B.3

Where does the decimal go in this product?

7.8 x 3.2

• 24.96

• 2.496

• 249.6

• 0.2496

Tags

CCSS.6.NS.B.3

Every week Joshua runs 2.1 miles on Monday, 3.1 miles on Wednesday, 4.05 miles on Thursday, and 2.65 miles on Friday. How many total miles will he run in a week?

• 11.2

• 11.9

• 19.1

• 12.6

Tags

CCSS.5.NBT.B.7

Mrs. Bentley took her two nieces to the zoo this past weekend. They bought two child tickets that cost $5.99 each, an adult ticket that cost $12.99, three lunches that cost $7.49 each and 3 waters that cost $4 each. If Mrs. Bentley brought a $100 bill, how much change did she receive?

• 40.56

• 59.44

• 41.44

• 100.00

Tags

CCSS.7.EE.B.3

Answer the question above.

• A

• B

• C

• D

Tags

CCSS.6.NS.B.3

What is the first step in this problem?

• Divide 9 by 8

• Move the decimal place 1 place to the left in the divisor and dividend.

• Move the decimal place 1 place to the right in the divisor and dividend.

Tags

CCSS.5.NBT.B.7

When multiplying two positive numbers together the answer will be _______________________.

• Negative

• Positive

Tags

CCSS.3.OA.D.9

When can you use the Keep, Change, Change method?

• Addition and Subtraction Problems

• Multiplication and Division Problems

Tags

CCSS.3.OA.B.5