Worksheet: Mental Addition of Numbers up to 10,000

In this worksheet, we will practice using different strategies to add numbers with up to four digits efficiently.

Q1:

Pick the sum equal to 3,324+5,564.

  • A8,000+800+80+9
  • B8,000+800+80+8
  • C8,000+800+90+8
  • D8,000+900+80+8
  • E9,000+800+80+8

Q2:

Find 1,305+1,000.

Q3:

Find 4,762+2,999.

Q4:

4,667+3,000=.

Q5:

Select the sum equal to 5,339+4,279.

  • A5,340+6,093
  • B5,340+3,525
  • C3,525+6,093
  • D3,525+4,279

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