Add Subtract Properties
85+0=____
What property is this?
85
Identity
100 less than 877
777
5,277 + 5,439 hundreds
5,300 + 5,400 = 10,900
42,499 + 38,389
80,888
Jake has 10 marbles. Brady has 5 marbles. They gave a 4 marbles to Nathan. How many marbles do they have left?
9 marbles
96+13=13+_____
What property is this?
96
Commutative
1,000 more than 47,356
48,356
3,857 - 1,899 hundreds
3,900 - 1,900 = 2,000
371,749 + 129,742
Zoe's bowling team has 16 girls and 7 boys. One of the girls quit the team. How many players do they have now?
22 players
15+(7+9) = (15+7)+___
What property is this?
9
Associative
10,000 less than 23,567
13,567
25,633 + 33,321 thousands
26,000 + 33,000 = 59,000
77,000-31,470
45,530
Maddie and her mother baked 14 cookies. She took 10 cookies to school. Her brother ate some cookies. She now has 2 cookies left! How many did her brother eat?
2 cookies
37-__=37
What rule is this?
0
rule 1
10 more than 1,146
1,156
15,529 - 13,187 thousands
16,000 - 13,000 = 3,000
127,019-101,200
25,819
Caden painted 12 paintings for the show. He sold 6 of them the first day. He painted 4 more for the next day. Caden sold 7 paintings the second day. How many does he have left?
3 paintings
45-__=0
What rule is this?
45
rule 2
10,000 more than 1,567
11,567
48,111 - 15,644 ten thousands
48,000 - 16,000 = 32,000
660,000-83,259
576,741
Trent's mom gave him $20. He earned $10 cutting the grass. Then bought a video game for $5. How much money does he have left
$25