Review Chapter (1)

According to the pattern below, what is the value of the next number?

50. 50, 3, 45, 6, 40, 9, 35, 12, ...., .....

• 15, 30

• 30, 30

• 30, 15

• 15, 15

What is the sum of the greatest 2-digit even number and the smallest 3-digit odd number?

Fill the lines with '+' and '-' to make the equation below correct.

6____3____5____4____11 = 13

• • + ; - ; + ; -

• • + ; + ; - ; -

• • - ; + ; - ; +

• • - ; - ; + ; +

Gordon thinks of a number. He adds 38 then subtracts 42 to get the smallest 2-digit odd number. Find Gordon's number.

Gordon thinks of a number. He adds 38 then subtracts 42 to get the smallest 2-digit odd number. Find Gordon's number.

According to the pattern below, what is the value of the next number?

1, 1, 2, 3, 5, 8, ....

There are 56 grapes in the bowl. Mia eats 14 grapes. Her mom adds 27 grapes to the bowl. How many grapes are in the bowl now?

Mr. Henry's class has 32 students. 5 students are absent today. 7 students are late to school. How many students were on time?

Ari is thinking of a two-digit number. Read the clues given. What number is Ari thinking of?

Ari is thinking of the number ____________.

According to the pattern below, what is the value of the next number?

2, 6, 12, 20, 30, 42, .....