Number (add/sub)
Interactive practice questions
Evaluate $35000+45000$35000+45000 by doing the following.
a
Fill in the box with the missing number.
$35000=30000+\editable{}$35000=30000+
b
Fill in the box with the missing number.
$45000=\editable{}+5000$45000=+5000
c
Using the results from the previous parts, evaluate $35000+45000$35000+45000.
Easy
1min
Evaluate $10400+10600$10400+10600 by doing the following.
Easy
1min
Using regrouping, evaluate $50025+30025$50025+30025.
Easy
< 1min
Using regrouping, evaluate $42500+17500$42500+17500.
Easy
< 1min
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