MATH BY OLIVA (HARD) 1

addition

200

10+10=

20

400

60+10=

70

600

70+70=

140

800

360+310=

670

1000

Lily picked 260 apples, later then she picked 340 apples. How many apples does Lily have?

600 apples

subtract

200

10-1=

9

400

100-20=

80

600

212-134=

78

800

860-178=

682

1000

Callie had 102 eggs, she gives 99 eggs away. How many eggs does Callie have now?

3 eggs

multiply

200

5x5=

25

400

20x3=

60

600

60x2=

120

800

120x2=

240

1000

Marco bought 6 boxes of pencils, there was 200 pencils in each box. How many pencils did Marco bought?

1,200 pencils

decimal

200

1/10 in decimal form

0.1

400

6/100 in decimal form

0.06

600

20/100 in decimal form

0.20

800

what is the mixed fraction in decimal form below?

1  6/100

1.06

1000

Laila ate 6/10 of pizza with her friends. What is how much Laila and her friends ate in decimal form?

0.6

factors/multiples

200

What is at least one factor of 5?

FACTORS:

1,5

400

What are three multiples of 2?

MULTIPLES:

2,4,6,8,10,12,14,16, ETC.

600

Five multiples of 5

5,10,15,20,25,30,35,40, ETC.

800

at least one factor of 12

1,6,4,3,12

1000

Carlos thinks 1,3 are the the factors of 3. Is he correct?

Yes