Multiplication
Fractions
compare fractions and decimals
4th Grade Mental Math
Math Vocabulary
100

4 x 8=

32

100

54/100-22/100=

32/100

100

2/5 is (greater than, less than or equal to) 4/5

2/5 is less than 4/5

100

10 x 10=

100

100

What is the top number of a fraction called?

Numerator

200

7 x 9=

63

200

4/10 + 33/100 =

73/100

200

4/10  is (greater than, less than or equal to) 40/100

4/10 is equal to 40/100

200

200 x 2 =

400

200

What is the answer of an addition problem?

Sum

300

11 x 12=

132

300

5 x 4/10=

20/10 =2

300

70/100 is (greater than, less than or equal to) 9/10

70/100 is less than 9/10

300

20 + 20 + 20 + 20 + 1=

81

300

What is the answer to a subtraction problem called?

Difference

400

13 x 5 =

65
400

Find an equivalent fraction to 2/3

4/6, 6/9, 8/24

400

0.5 is (greater than, less than or equal to) 0.42

0.5 is greater than 0.42

400

4 times 12

48

400

What is the answer to a multiplication problem?

Product

500

25 x 11= 

275

500

1/2 = /12

6

500

Write 40/100 as a decimal number

0.40 or 0.4

500

1001- 901=

100

500

What is an improper fraction?

A fraction that the numerator is greater than the denominator.