TIMO 2019 Grade 1 Heat Set 3

Jacob is the eldest boy in the family. He has 4 younger sisters and 3 younger brothers. How many child(ren) is / are there in Jacob’s family?

In year 2018, how many month(s) is / are there with exactly 30 days?

4 years ago, Amy was 13 years old. How old will Amy be 3 years later?

According to the pattern shown below, what is the number in the space? 1, 7, 13, 19, 25, __

According to the pattern shown below, what is the English letter in the space (“__”)? A, D, G, J, M, __, …

Find the value of $2+3+5+6+8+9$.

Find the value of $27+18$ – 17.

A is a 1-digit number. What is the value of A if the equation below is correct? 3 × $A=3+3+3+3+3$

What is the number in the blank if the equation below is correct? 35 + __ = 42

If B represents the same 1-digit number, what is the value of B if the equation on the right is correct? B + 2B = 32

Fill the lines with “+” and “–” to make the equation below correct. (Write down the complete equation on the answer sheet). 1 __ 8 __ 5 __ $4=8$

Fill the lines with “+” and “–” to make the equation below correct. (Write down the complete equation on the answer sheet). 1 __ 4 __ 5 __ $7=7$

Four students have 16 balloons in total and each of them have a different number of balloons. Know that Andy has the most balloons. At most how many balloon(s) does Andy have?

Determine the result of $2+5+8+11+14+17+20+232$ is odd or even.

How many two-digit number(s) that have the unit digit 6 is / are there?

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 triangle(s) is / are there in the figure below?

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

According to the pattern below, how many ⊗ are there in the 13th Group?