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Properties of operations
Interactive practice questions
True or False?
$11+3=3+11$11+3=3+11.
a
True
A
False
B
b
Hence fill in the missing blank.
$8+7$8+7 = $\editable{}$ + $8$8
Easy
< 1min
True or False?
$10-9=9-10$10−9=9−10.
Easy
< 1min
True or False?
$5+37+95=14+123$5+37+95=14+123.
Easy
1min
True or False?
$11\times2\times5=11\times5\times2$11×2×5=11×5×2.
Easy
< 1min
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