Decimal: Adding and Subtracting Practice

Calculate each sum or difference: 800.54 + 90.52 =

Answer explanation

To calculate 800.54 + 90.52, simply add the two numbers: 800.54 + 90.52 = 891.06. Therefore, the correct answer is 891.06.

Calculate each sum or difference: 343.4 + 5.607 =

Answer explanation

To calculate 343.4 + 5.607, align the decimal points: 343.400 + 5.607 = 349.007. Therefore, the correct answer is 349.007.

Calculate each sum or difference: 94.9 - 41.871 =

Answer explanation

To calculate 94.9 - 41.871, align the decimal points and subtract: 94.900 - 41.871 = 53.029. Therefore, the correct answer is 53.029.

Calculate each sum or difference: 809.144 - 15.96 =

Answer explanation

To calculate 809.144 - 15.96, align the decimal points and subtract: 809.144 - 15.960 = 793.184. Therefore, the correct answer is 793.184.

Calculate each sum or difference: 803.309 - 133.36 =

Answer explanation

To calculate 803.309 - 133.36, align the decimal points and subtract: 803.309 - 133.360 = 669.949. Thus, the correct answer is 669.949.

Calculate each sum or difference: 767.3 - 24.9 =

Answer explanation

To calculate 767.3 - 24.9, align the decimal points and subtract: 767.3 - 24.9 = 742.4. Therefore, the correct answer is 742.4.

Calculate each sum or difference: 489.08 - 4.2 =

Answer explanation

To calculate 489.08 - 4.2, align the decimal points: 489.08 - 4.20 = 484.88. Therefore, the correct answer is 484.88.

Calculate each sum or difference: 921.74 + 2.7 =

Answer explanation

To calculate 921.74 + 2.7, align the decimal points: 921.74 + 2.70 = 924.44. Therefore, the correct answer is 924.44.

Calculate each sum or difference: 384.94 + 17.348 =

Answer explanation

To calculate 384.94 + 17.348, align the decimal points and add: 384.940 + 17.348 = 402.288. Therefore, the correct answer is 402.288.

Calculate each sum or difference: 260.65 - 40.9 =

Answer explanation

To calculate 260.65 - 40.9, align the decimal points: 260.65 - 40.90 = 219.75. Therefore, the correct answer is 219.75.