11+ Maths Speed recall test 15 Sep

Which is heaviest?

• 0.34 kg

• 0.096 kg

• 240 g

• a quarter of a kilogram

Answer explanation

1 kg = 1000 g

0.34 kg is 340 g

0.096 kg = 96 g

a quarter of a kilogram is 250g

Tags

CCSS.3.MD.A.2

Which number is missing?

 $4\ \times4\ \times\ \ ....\ \ =\ 64$  

• 2

• 4

• 56

• 8

Answer explanation

 $4\times4\times4=64$ 

 
64 is a cube number

Tags

CCSS.2.OA.C.3

Which of these are prime numbers?

Mark all that apply

• 21

• 31

• 41

• 51

• 61

Answer explanation

21 = 3 x 7

51 = 3 x 17

31, 41 and 61 are all prime.

Tags

CCSS.4.OA.B.4

Which of these angles are acute angles?

Mark all that apply

• $30\degree$

• $88\degree$

• $90\degree$

• $98\degree$

Answer explanation

An acute angle is less than $90\degree$

Tags

CCSS.4.G.A.1

What is the next number in this sequence?

11, 12, 14, 17, 21, 

• 22

• 23

• 24

• 26

Answer explanation

11, 12, 14, 17, 21, 26

The sequence increases by 1, then by 2, then by 3, then by 4, then by 5

Tags

CCSS.2.NBT.A.2

How many millimetres in a metre?

• 1000

• 100

• 10

• 10 000

Answer explanation

There are 1000 MILLImetres in a metre

There are 1000 MILLIlitres in a litre

There are 1000 MILLIgrams in a gram

Tags

CCSS.4.MD.A.1

Which of these describes the AREA of a shape?

• The amount of space inside a shape

• The length around the outside of the shape

• The volume of a shape

• The area outside a shape

What is the perimeter of this square?

• 4cm

• 4cm²

• 8cm

• 2cm

Answer explanation

The perimeter is the length of the outline of the square.

2cm + 2cm + 2cm + 2cm = 8cm

Tags

CCSS.4.MD.A.3

What are the coordinates of the alien?

• (1, 5)

• (5, 1)

• (0, 5)

• (5, -1)

Answer explanation

The alien is at (5, 1)

Tags

CCSS.5.G.A.1

What kind of angle is this?

• Reflex

• Right angle

• Acute

• Obtuse

Answer explanation

The angle marked is an Obtuse angle.

Obtuse angles are more than 90^o and less than 180^o.

Tags

CCSS.4.G.A.1