TIMO 2018 Grade 1 Heat Set 4

Amy’s father has five children. Two of them are sons. How many sister(s) does Amy have given that Amy is a girl?

What is the greatest possible number of consecutive day(s) that has exactly one Sunday?

5 years later, Amy will be 13 years old. How old was Amy 4 years ago?

According to the pattern shown below, what is the number in the blank (“__”)? 1, 5, 9, 13, 17, 21, __, …

According to the pattern below, how many ⊗ are there in the 17th Group?

Find the value of $1+2+4+5+6+7+9+10$.

Find the value of $26+19$ – 6.

A is a 1-digit number. What is the value of A if the equation below is correct? 2 × $A=16$

What is the number in the blank if the equation below is correct? 72 - __ = 65

B is a 1-digit number. What is the value of B if the equation below is correct? 10 – $B=B$

Amy has 18 apples and John has 4 apples. How many apple(s) does Amy have to give John to make them to have the same number of apples?

Fill the lines with “+” and “–” to make the equation below correct. (Write down the complete equation in the answer sheet). 1 __ 3 __ 5 __ $7=2$

3 students have 17 balloons in total and each of them has a different number of balloons. Anna has the most balloons. At least how many balloon(s) does she have?

How many two-digit number(s) that have the unit digit 5 is / are there?

Determine the result of $1+2+3+4+5+6+7+8+9+10$ is odd or even.

How many square(s) is / are there in the figure below?

At least how many cube(s) is / are there in the figure below?

How many side(s) is / are there in the polygon below?

From the pattern below, what is the figure in the space (“__”)? ○ □ □ △ ○ □ □ △ ○ □ __ △ …

How many interior angle(s) is / are there in the polygon below?