Addition
What is 9+4=?
13
Identify the addition property. (Communitive, Associative, Identity)
0+9
Identity
67-29
38
To the nearest ten, round 79.
80
Order numbers least to greatest
5,920,5,902, 9,520
5,902, 5,920, 9,520
Jimmy has 14 circles. Jordan has 5 triangles. How many shapes do they have all together?
19 shapes.
Identify the addition property. (Communitive, Associative, Identity)
(7+3)+8
7+(3+8)
Associative
Subtract Mentally
356-298
60 or 100
To the nearest hundred, round 53
Write in word form: 213
two hundred thirteen
Estimate 388+311=
700
Identify the addition property. (Communitive, Associative, Identity)
8+(2+3)
(2+8)+3
Communitive
649-202
447
To the nearest hundred, round 4113
4100
Write in expanded form: 4,955
4000+900+50+5
If Jefferson studies for 35 minutes in the morning and 43 minutes in the afternoon, about how long does he study for?
70 minutes
Identify the addition property. (Communitive, Associative, Identity)
36+0+42
Identity
1,012-362
650
To the nearest ten, round 4332
4330
30
Carlita played in the park for 2 hours on Saturday and 29 minutes on Sunday. How many minutes did she play in all?
149 minutes
Identify the addition property. (Communitive, Associative, Identity)
4+7+(2+9)
(4+7)+2+9
Associative
Carson earned $100 a month. In August, Carson managed to save $73 of his $100. In September, he saved $15. How much more money did he save in August than September?
$58
To the nearest ten, round 5386
5390
The symbol < means
less than