Number (add/sub)
UK Primary (3-6)
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Add and subtract four digit numbers II

Interactive practice questions

Evaluate $3005+3005$3005+3005 by doing the following.

a

Fill in the box with the missing number.

$3005=3000+\editable{}$3005=3000+

b

Fill in the box with the missing number.

$3005=\editable{}+5$3005=+5

c

Using the results from the previous parts, evaluate $3005+3005$3005+3005.

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Evaluate $8004+1006$8004+1006 by doing the following.

Using the fact that $4006=4000+6$4006=4000+6 and $4004=4000+4$4004=4000+4, evaluate $4006+4004$4006+4004.

Using the fact that $5050=5000+50$5050=5000+50 and $2050=2000+50$2050=2000+50, evaluate $5050+2050$5050+2050.

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