Math 3 Semester Review

Place Value

100

Name the digit in the hundreds place.

1,985

1,985

9 is in the hundreds place.

200

Compare using <, > or = to make the statement correct.

3,765 ____ 3,657

3,765 > 3,657

300

Which number is the greatest and which number is the least in the set?

5,615      5,156       5,561

greatest 5,615

least 5,156

400

What is the missing number in the pattern?

3,645   3,545  3,445   ______  3,245

3,345

500

Round to the nearest 100.

965

There is a 9 in the hundreds place.  The tens decide if the number is rounded up. 6 is greater than 5 so 9 hundreds are rounded up to 1,000.

900-------------950----965---------1000

Adding

100

Find the sum.

813 + 172=?

The sum is 985.

200

Add

3,112 + 635=?

3,112

+ 635

 3,747 is the sum.

300

Add 

  5,618

+2,045

       1        Regroup

  5,618

+2,045

  7,663

400

Find the sum

   2,573

+ 1,989

     

  1 1 1  

   2,573

+ 1,989

   4,562

500

Find the sum.

3,695

+ 816

1 1 1

 3,695

+ 816

 4,511

Subtracting

100

Find the difference.

86-43=?

The difference is 43.

200

Find the difference. 

74-28=?

The difference is 46.

   6   14                    check

    74                          46

-   28                       + 28

    46                        =74

300

Find the difference.

  4,368

-   546

 

The difference is 3,822.

3 13

  4,368

-   546

  3,822

400

Find the difference.

  821

-427

The difference is 394.

 7 11 11

    821

  -427

   394

500

Find the difference. 

 7,200

-2,305

The difference is 4,895.

6 11 9 10

  7, 2 0 0

- 2, 3 0 5

  4, 8 9 5

Multiplying

100

Find the product.

3 x 9=?

27

200

What are 5 groups of 8?

5 x 8=40

300

Find the product.

134 x 2=?

  134

x    2

= 268

400

Find the product.

236 x 4=?

12  regroup

236

x  4

944

500

Find the product.

516 

x  6 

     3  regroup

   516 

   x  6  

3,096

Problem Solving

100

Mrs. Zenz buys a cake for $15 dollars and has $42 left.  How much money did Mrs. Zenz have to begin with?

$57

$15 spent + $42 left=$57

200

Ben has 60 baseball cards and football cards in all.  He has 24 football cards.  How many baseball cards does he have?

36 baseball cards 

60-24=36 baseball cards

300

There are 187 cars in the parking lot.  Each car has 4 wheels.  How many wheels do the cars have in all?

                 32

                 187

               x    4

                 748  wheels

400

Annie has 6 vases.  She puts 3 roses and 4 lilies in each vase.  How many flowers did she use in all?

3 roses  + 4 lilies=7 flowers in each vase

Think 6 vases with 7 flowers in each vase...

6 x 7=42 flowers

500

Mary has 4 cartons of crayons.  Each carton contains 120 crayons.  She puts the crayons equally into 6 cartons to use for a craft project.  How many crayons are in each carton?

120 x 4=480 crayons in all

480 / 6=80 crayons in each carton