Adding and Subtracting Whole Numbers and Decimals

Lexi went shopping and bought shirts that cost $12.15 and $16.85. She paid $1.74 in taxes. How much did she pay in all? Use mental math to solve. 

• $29.00

• $30.74

• $30.85

• $32.74

In a recent city election, 20,542 people voted for the current mayor and 22,797 people voted for the new candidate. What was the total number of votes?

• 42,249

• 42,339

• 43,339

• 43,349

The Thomas Jefferson Memorial is on 18.36 acres of land and the Franklin Delano Roosevelt Memorial is on 7.5 acres of land. How many more acres is the Jefferson Memorial than the Roosevelt Memorial?

• 9.86 acres

• 10.86 acres

• 11.31 acres

• 17.61 acres

Shemekia has one basket of fruit that weighs 23.7 pounds. She has another basket of vegetables that weighs 6.912 pounds. What is the combined weight of the two baskets?

• 30.612 pounds

• 30 pounds

• 29.612 pounds

• 31 pounds

0.347 + 17 + 0.29

Mathematical Equivalence

ON

Mariah has $33.08 in her piggy bank. If she use $5.78 at the bookfair and $3.25 at the candy store, how much money will she have left?

• $26.51

• $24.08

• $24.05

• $24.03

What is the sum of 7.23 + 5.76?

301.4 - 52.3

• 2491

• 249.1

• 351.1

• Nemo

Ali grew 2.3 inches this school year and Mary grew 2.38 inches. How much did they grow all together?

• 4.68 inches

• 0.08 inches

• 2.5 inches
  2.58 inches

• 5.68 inches

Ali grew 2.3 inches this school year and Mary grew 2.38 inches. How much did they grow all together? 

• 4.68 inches

• 0.08 inches

• 2.5 inches
  2.58 inches

• 5.68 inches