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SEAMO 2018 — Paper A — Grade 1–2

Question 1

Find the missing number: $3,4,7,11,18,\square,47,\ldots$.
  1. $27$
  2. $28$
  3. $29$
  4. $31$
  5. None of the above

Question 2

How many cubes are in the figure?

Question illustration
  1. $13$
  2. $14$
  3. $15$
  4. $16$
  5. $17$

Question 3

Find $M$ if $\overline{MN}+\overline{MN}+\overline{MN}=177$.
  1. $3$
  2. $4$
  3. $5$
  4. $6$
  5. $7$

Question 4

Evaluate $1+2+\cdots+9+10+9+8+\cdots+2+1$.
  1. $89$
  2. $90$
  3. $99$
  4. $100$
  5. None of the above

Question 5

Find the $50$th digit in $3580358035\ldots$.
  1. $3$
  2. $5$
  3. $8$
  4. $0$
  5. None of the above

Question 6

Find the star value from the four products shown.

Question illustration
  1. $5$
  2. $6$
  3. $7$
  4. $8$
  5. None of the above

Question 7

Find the missing dot diagram.

Question illustration
  1. Option A: $3$ dots
  2. Option B: $4$ dots
  3. Option C: $5$ dots
  4. Option D: $6$ dots
  5. None of the above

Question 8

Find the missing number in the third triangle.

Question illustration
  1. $31$
  2. $33$
  3. $29$
  4. $32$
  5. None of the above

Question 9

Grandmother is $56$, Mum is $31$, and I am $7$. In how many years will our total age be $100$?

Question illustration
  1. $5$
  2. $4$
  3. $3$
  4. $2$
  5. $1$

Question 10

What time comes next in the clock sequence?

Question illustration
  1. $5{:}10\text{ pm}$
  2. $5{:}20\text{ pm}$
  3. $5{:}30\text{ pm}$
  4. $5{:}40\text{ pm}$
  5. $5{:}50\text{ pm}$

Question 11

Mohammed writes the integers from $1$ to $24$. How many times does the digit $2$ occur?
  1. $5$
  2. $6$
  3. $7$
  4. $8$
  5. $9$

Question 12

Basket $A$ has $54$ apples and $B$ has $18$. Cindy moves $6$ at a time from $A$ to $B$. How many transfers make the baskets equal?

Question illustration
  1. $3$
  2. $4$
  3. $5$
  4. $6$
  5. None of the above

Question 13

Which figures can be drawn without lifting the pencil or retracing a line?

Question illustration
  1. All except Figure $1$
  2. All except Figure $2$
  3. All except Figure $3$
  4. All except Figure $4$
  5. All of the above

Question 14

The digits $2,4,7$ form six different two-digit numbers. What is the difference between the greatest and the least?
  1. $48$
  2. $50$
  3. $52$
  4. $54$
  5. None of the above

Question 15

A farm has $26$ chickens and rabbits with $80$ legs altogether. How many rabbits are there?

Question illustration
  1. $14$
  2. $15$
  3. $16$
  4. $17$
  5. None of the above

Question 16

How many triangles are in the figure?

Question illustration
  1. $7$
  2. $8$
  3. $9$
  4. $10$
  5. $11$

Question 17

What results when the three grids are superimposed?

Question illustration
  1. Option A
  2. Option B
  3. Option C
  4. Option D
  5. None of the above

Question 18

John pays $12$ dollars for $2$ pens and $2$ pencils. Mark pays $22.50$ for $2$ pens and $5$ pencils. What does one pencil cost?
  1. $3.20$
  2. $3.50$
  3. $3.80$
  4. $4.10$
  5. $4.30$

Question 19

Shawn lives on floor $6$, Jessie on floor $3$. He takes $4$ minutes from floor $1$ to Jessie’s home. How long does he take from floor $1$ to his own home?
  1. $6$
  2. $8$
  3. $10$
  4. $12$
  5. None of the above

Question 20

Find the square value from the equations shown.

Question illustration
  1. $67$
  2. $79$
  3. $83$
  4. $87$
  5. None of the above