Multiplication/division
4th Grade Math
4th Grade Fractions
4th Grade Mental Math
4th Grade Math Mystery
100

Estimate by rounding to the nearest hundred:

365 X 731 = 

400 X 700 = 280,000

100

What is 4, 567,273 rounded to the nearest 100,000?

4,600,000

100

Add. Then simplify

3/8 + 2/8 + 1/8 = 

6/8 = 3/4

100

10 x 490

4,900

100

What is the answer to a multiplication problem called?

Product

200

900 x 9=

8100

200

Subtract:  4  and 2/7 -  2 and 5/7 =

1 and 4/7

200

Change to an improper fraction.

2 and 1/8

17/8

200

200 x 2 =

400

200

Identify the property shown by this.  Then solve.

(2 X 6) X 3 = 2 X (6 X 3)

Associative property 

36

300

6 X 5 X 25

750

300

What is the perimeter of a rectangle that has a Length of 8 cm and a width of 3 cm?

22 cm

300

Change to a mixed number.

26/3

8 and 2/3

300

120 + 120 + 20 + 20 + 1=

281

300

Howard arrived to work at the lemonade factory at 5:50 a.m. Howard stayed on the factory for 5 hrs. and 10 minutes.  What time did Howard leave the lemonade factory?

11:00 am

400

estimate to the nearest ten:    24 X 58

20 X 60 = 1,200

400

What is the area of a rectangle that is 25 cm long and 15 centimeters wide?

375 cm

400

3/10 + 40/100=

70/100

400

4 times 15

60

400
Estimate the difference by rounding to the greatest place:  

       3,568 - 774 =

4,000 - 800 = 3,200

500

58/5 = 

11 R3

500

Write this in standard form:

1 million, six hundred fifty-seven thousand, eighty-two

1,657,082

500

5 and 4/8 + 4 and 5/8 =

9 and 9/8 =

10 and 1/8

500

4 x 6 + (5 x 4 )

44

500

What are all the factors of 40?

1,2,4,5,8,10,20,40