Math Review

Place Value

100

What place value is the digit 3 in?

96,838,965

ten thousands place 

200

What is the value of the number in the one millions place?

892,345,347

2,000,000

300

I am a 4 digit number. I have a 7 in the tens place and in the thousands place. I have a 3 in the ones place. I have a 9 in the hundreds place. 

What number am I?

7,973

400

How would you describe the number in the tens place compared to the number in the ones place?

56,788

A. The tens place is 10 times greater than the ones place.

B. The ones place is 10 times greater than the tens place.

A. The tens place is 10 times greater than the ones place.

500

Which statement is true?

A. The hundreds place is 10 times greater than the ones place.

B. The one thousands place is 100 times greater than the tens place.

B. The one thousands place is 100 times greater than the tens place.

Addition and Subtraction

100

Find the sum.

893 + 908 = 

1,801

200

Find the difference

9,879 - 3,264

6,615

300

Find the sum.

836,423 + 372,334 = 

1,208,757

400

Find the difference. 

576,327 - 272,931

303,396

500

Find the difference.

10,000 - 4,487 = 

5,513

Rounding

100

Round to the nearest ten.

67

70

200

Round to the nearest hundred.

45,678

45,700

300

Round to the nearest thousand.

97,548,305

9,548,000

400

Round to the nearest hundred thousand.

753,985

800,000

500

Round to the nearest ten million.

855,753,049

860,000,000

Multiples, Factors, Prime & Composite

100

If 5 x 4 = 20, is 20 a multiple of both 4 and 5?

Yes

200

List the factors for the number 24.

1,2,3,4,6,8,12,24

1 x 24
2 x 12
3 x 8
4 x 6

300

List the factors for the number 16.

1,2,4,8,16

1 x 16
2 x 8
4 x 4

400

Is 56 a multiple of 7?

Yes

7 x 8 = 56

500

Is 33 prime or composite?

Composite

Multiplication

100

If 9 x 6 = 54

Then what is 900 x 600?

900 x 600 = 540,000

200

If 3 x 7 = 21

Then what is 300 x 7?

300 x 7 = 2,100

300

Write and solve an equation that uses estimations to multiply.

On Halloween night, walked down 12 streets and stopped at 23 houses on each street. About how many houses did I stop at?

10 x 20 = 200 houses

400

Write and solve an equation that uses estimations to multiply.

A local grocery store orders bread from a local bakery. They ordered 37 boxes and 28 loaves come in each box. About how many loaves of bread did they order?

40 x 30 = 1,200 loaves

500

Write and solve an equation that uses estimations to multiply.

Matt went to the beach for the weekend and walked the beach each day for 3 days. Every time he walked, he found 989 shells.  About how many shells did Matt find in all?

3 x 1,000 = 3,000 shells