Addition and Subtraction
New Zealand
Level 3
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.
Easy
< 1min
Evaluate $8004+1006$8004+1006 by doing the following.
Easy
< 1min
Using the fact that $4006=4000+6$4006=4000+6 and $4004=4000+4$4004=4000+4, evaluate $4006+4004$4006+4004.
Easy
< 1min
Using the fact that $5050=5000+50$5050=5000+50 and $2050=2000+50$2050=2000+50, evaluate $5050+2050$5050+2050.
Easy
< 1min
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