What is the value of the expression  $\frac{1010^2+2020^2+3030^2}{2020^2}$  ?

• 2020

• 3030

• 5050

• 7070

Tags

CCSS.HSA.APR.D.7

The figure shown above is formed by ten squares of 1 cm side. How many centimeters is its perimeter?

• 18

• 15

• 19

• 20

Tags

CCSS.3.MD.D.8

The years 2020 and 1717 are formed with a two-digit number repeated twice. How many years after 2020 will it take to find us in the next year that has this same property?

• 40

• 101

• 202

• 400

Tags

CCSS.3.OA.D.9

If 17x+51y=102. What is the value of 9x+27y?

• 27

• 54

• 72

• 81

Tags

CCSS.8.EE.C.7B

A number is written in each of the cells of a table, so that the sums of the 4 numbers in each row and in each column are equal. What number is in the shaded cell?

• 5

• 6

• 7

• 8

Tags

CCSS.1.OA.A.1

Laura and Miguel are solving math problems. Miguel solves 6 problems each day and Laura 4. In how many days will Laura solve the same number of problems that Miguel solves in 4 days?

• 4

• 5

• 6

• 7

Tags

CCSS.3.OA.D.8

A supermarket offers 2 euros discount for every 25 euros spent on its products. If we pay 368 euros for the monthly purchase, what was the value of the purchase before the discount?

• 400

• 356

• 300

• 498

Tags

CCSS.6.RP.A.3B

What figure better fits in the empty space?

• a

• b

• c

• d

What figure better fits in the empty space?

• a

• b

• c

• d

What figure better fits on the empty space?

• a

• b

• c

• d

Tags

CCSS.1.G.A.1