Second Grade Math Review

Rows and Columns

100

. . . .

. . . .

2 rows 

4 columns

200

* * *

* * *

* * *

3 rows 

3 columns

300

#

1 row

1 column

400

+ +

+ +

+ +

+ +

+ +

5 rows

2 columns

500

? ? ? ?

? ? ? ?

? ? ? ?

3 rows 

4 columns

Repeated Addition

100

> > > > >

> > > > >

> > > > >

> > > > >

5 + 5 + 5 +5 

or

4 + 4 + 4 + 4 + 4

200

< < <

< < <

< < <

< < <

3 + 3 + 3 + 3 

or

4 + 4 + 4 + 4

300

* * * * * * *

 1 + 1 +1 +1 +1 +1 +1 

400

# # # # # # # # # #

# # # # # # # # # #

# # # # # # # # # #

# # # # # # # # # #

10 + 10 + 10 + 10

or 

4 + 4 + 4 + 4 + 4 + 4 + 4 + 4 + 4 +4

500

& & & &

& & & &

2 + 2 + 2 + 2

or

4 + 4

Time

100

The short hand is on the 3, the long hand is on the 5, and the sun is shining.

3:25 PM

200

The short hand is on the 6, the long hand is on the 2 and you are getting ready for school.

6:10 AM

300

The short hand is between the 9 and the 10, the long hand is on the 6 and it is dark.

9:30 PM or half past 9

400

The short-hand is between the 11 and 12, the long hand is on the 7and it is dark.

11:35 PM

500

The short hand is on the 1, the long hand is on the 3 and you are dreaming.

1:15 AM or quarter past 1.

Subtraction with Regrouping within 1,000

100

546 - 397

149

200

654 - 391

263

300

357 - 159

198

400

951 - 357

594

500

*358 - 147

211

Subtraction with Regrouping within 1000

100

957 - 248

709

200

939 - 876

63

300

753 - 594

159

400

654 - 389

265

500

*576 - 112

464