Addition
88 + 88
176
88 - 19
69
Round 28 to the tens
30
0 x 6
0
What does x mean?
Equal groups of
176 + 232
408
117 - 56
61
Round 567 to the hundreds
600
1 x 5
5
expression means?
Equation without a equal sign
656 + 189
845
356 - 188
168
Round 345 to the tens
350
10 x 5
50
What is a key?
Tells you what the picture is worth
679 + 298
977
808 - 165
643
Round 817 to the hundreds
800
8 x 7
56
Example of distributive property
(3 x 3) + (3 x 1)
388 + 756
1,144
800 - 167
633
Round 456 to the tens
460
9 x 9
81
Example of associative property
3 x (1 x 5)