Mathematics Test 2ND CAT YEAR 7

Simplify -4 - (- 10) + 15

• 21

• -21

• 29

• -29

• 1

      Simplify 9𝑥+ 4𝑦− 6𝑥− 4𝑦− 𝑥+ 2𝑦.

• A.    2𝑥− 2𝑦

• B.     2𝑥+ 2𝑦

• C.     𝑥+ 2𝑦

• D.    4𝑥− 2𝑦

• E.     3𝑥− 3𝑦

      An acute angle 𝑦 can be express as

• A.    𝑦=90°

• B.     𝑦<90°

• C.     𝑦=180°

• D.    𝑦≥180°

• E.     𝑦<360°

Each face of a cuboid is in the shape of a

• triangle

• square

• rectangle

• hexagon

• circle

How many vertices has a cuboid?

• 4

• 5

• 6

• 8

• 12

A carpenter has two planks of wood. One plank is long, the other is long. What is the total length of the planks?

• A.    7𝑐𝑚

• B.     7𝑥𝑐𝑚

• C.     1𝑐𝑚

• D.    𝑥𝑐𝑚

• E.     12𝑥𝑐𝑚

A carpenter has two planks of wood. One plank is x long, the other is 6x long. What is the total length of the planks?

• A.    7𝑐𝑚

• B.     7𝑥𝑐𝑚

• C.     1𝑐𝑚

• D.    𝑥𝑐𝑚

• E.     12𝑥𝑐𝑚

Which of the following is not a material needed for the construction of an angle?

• Pair of compass

• Plain paper

• Protractor

• Ruler

• Scale pan

      A villager has 6𝑥 sheep and 5𝑦 goats. She sells 3𝑥 sheep and 2𝑦 goats. How many animals does she have left?

• A.    11𝑥+ 5𝑦

• B.     9𝑥+ 7𝑦

• C.     3𝑥+ 3𝑦

• C.     3𝑥− 3𝑦

• C.     3𝑥− 3𝑦

     What is the coefficient of 𝑦 in the expression 9𝑥 − 5𝑦 + 6𝑧?

• 9

• 5

• 6

• -5

• 4