Interactive practice questions
Select all of the number pairs that add to $10$10.
$8$8 and $2$2
A
$5$5 and $5$5
B
$3$3 and $7$7
C
$4$4 and $6$6
D
Easy
< 1min
How many more do we need to add to $1$1 to get to $10$10?
Easy
< 1min
How many more do we need to add to $9$9 to get to $10$10?
Easy
< 1min
How many more do we need to add to $14$14 to get to $20$20?
Easy
< 1min
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