Adding and Subtracting Up to Hundred Thousands

When adding or subtracting with decimals, you -

• Move decimals out

• Shift decimals 3 places over

• Line up the decimals

• Ignore decimals

What is 23,589 rounded to the nearest hundred?

• 600

• 500

• 23,500

• 23,600

What is 508 - 263?

• 365

• 871

• 258

• 245

When we add and subtract numbers we ___________________.

• just put them anywhere on top of each other and + or -.

• Put the biggest number on the top and multiply

• put them side by side and use the foil method.

• must line them up by their place values.

−2 + 8 =

• 6

• −6

• −10

• 10

Subtract 56 from 89.

• 12

• 45

• 23

• 33

Jordan read 485 pages last month and 391 pages this month. How many pages did Jordan read altogether?

• 866 pages

• 876 pages

• 886 pages

• 877 pages

What is the sum of 34 and 25?

• 40

• 59

• 57

• 60

Solve:
246 + 553 = ?

• 313

• 799

• 809

• 307

516 + 468 =

• 974

• 1,984

• 984

• 986