11+ Maths Speed recall test 18 Sep

What are the coordinates of the Alien?

• (2, 0)

• (0, 2)

• (0, 3)

• (2, 2)

Answer explanation

(0, 2)

Tags

CCSS.5.G.A.1

What is the mean of these numbers?

4, 2, 2, 3, 9

• 10

• 2

• 4

• 3

Answer explanation

The mean is the total divided by the number of numbers

The total of the numbers is 20

There are 5 numbers

20 divided by 5 = 4

Tags

CCSS.6.SP.B.5C

How many grams is a quarter of a kilo?

• 2.5g

• 1000g

• 250g

• 25g

Answer explanation

There are 1000g in a kilo

One quarter of 1000g is 250g

Tags

CCSS.4.MD.A.1

What is the next number in this sequence?

14, 11, 8, 5, 2, ?

• 0

• 1

• -1

• -2

Answer explanation

14, 11, 8, 5, 2, -1

Each number is 3 less than the previous number.

Tags

CCSS.3.OA.D.9

What do the three angles in a triangle add up to?

• 360^o

• 180^o

• 90^o

• It depends on the type of triangle

Answer explanation

The three angles in a triangle

always add up to 180^o

Tags

CCSS.8.G.A.5

Which of these fractions is in its simplest form?

• $\frac{3}{15}$

• $\frac{4}{14}$

• $\frac{5}{9}$

• $\frac{15}{35}$

Answer explanation

$\frac{3}{15}\ =\ \frac{1}{5}$

$\frac{4}{14}\ =\ \frac{2}{7}$

$\frac{15}{35}\ =\ \frac{3}{7}$

There are 10 boys and 15 girls in a class

What is the ratio of boys to girls?

• 15 : 10

• 2 : 3

• 3 : 2

• 10 : 25

Answer explanation

10 boys to 15 girls

There are 2 boys for every 3 girls

So the ration of boys to girls is 2 : 3

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

What is the perimeter of this rectangle?

• 5cm

• 10cm

• 6cm

• 6cm²

Answer explanation

The perimeter is the length of the outline of a shape

For this rectangle it is 3cm + 2cm + 3cm + 2cm = 10 cm

Tags

CCSS.4.MD.A.3

Which is the longest?

• 113cm

• 0.23m

• 1900mm

• Half of a metre

Answer explanation

Converting to a common unit we have:

113 cm = 113cm

0.23m = 23cm

1900mm = 190cm

Half of metre - half of 100cm = 50cm

Tags

CCSS.4.MD.A.1

 $3y\ +\ 2\ =\ 29$  
What is  $y$  ?

• 27

• 9

• 31

• 10

Answer explanation

 $3y\ +\ 2\ =\ 29$  
 $3y\ =\ 27$  
so
 $y\ =\ 9$  

Tags

CCSS.7.EE.B.4A