Adding and Subtracting Up to Thousands

When adding or subtracting with decimals, you -

• Move decimals out

• Shift decimals 3 places over

• Line up the decimals

• Ignore decimals

Solve the problem. 80-20=

• 17

• 61

• 56

• 60

What is the difference of 1,000 and 674?

• 326

• 1,326

• 346

• 446

What is 508 - 263?

• 365

• 871

• 258

• 245

Find the sum of 12908; 456; 7843

245 + 387 =

−2 + 8 =

• 6

• −6

• −10

• 10

936 + 112 = 

• 1,058

• 958

• 948

• 1,048

516 + 468 =

• 974

• 1,984

• 984

• 986

James have 90 marshmallows in the jar. He adds 382 more. How many marshmallows are now in the jar? 

• 472

• 289

• 340

• 198