SEAMO X 2020 — Paper A — Grade 1–2

Evaluate $13+14+15+16+17+18+19+20$.

Four circled dots plus a triangle equal $36$. Two triangles equal four circled dots. Find one circled dot plus one triangle.

Find the missing number on the third figure’s head.

How many rectangles are in the figure?

Find $N$ in $1,1,2,4,7,13,24,44,N,149,274,\ldots$.

Draw the seventeenth shape in the pattern.

Seven teams enter a football tournament. Each team plays every other team exactly once. How many matches are played?

How many cubes are in the figure, including hidden supporting cubes?

Twelve students stand in a line with equal spacing. The line is $22\text{ m}$ long. What is the distance between any two students?

A cube plus a cylinder equals $15$; cylinder minus cube equals $7$. Find the cube value.

A family of six has dinner. Each person has a bowl of rice, each pair shares a bowl of vegetables, and each group of three shares a bowl of soup. How many bowls are there?

Alan, Ben, Cathy and Dan stand in a queue. Alan says one person is in front of him. Ben says one is behind him. Cathy says nobody is behind her. Who is first?

How many squares balance one triangle?

In $\overline{AA}+\overline{BB}+\overline{CC}=\overline{ABC}$, find $B$.

Find the missing centre number.

When Alan is $6$, Dad is $33$. How old will Alan be when Dad is four times his age?

In which figure will there be $32$ circles?

Given $7+9+9+9=34$ and $8+8+9+9=34$, how many four-digit numbers have digit sum $34$?

Find the missing figure in the folding analogy.

Cindy writes $1,2,3,\ldots,55,56$. How many times does she write the digit $5$?