Cubes and cuboids

Cubes and cuboids

Pencil and paper
Overview
Connecting to the Curriculum
Marking Student Responses
Working with Students

 

a)
Circle the equation that gives the number of small blocks in this shape.
 
(A)   2 + 2 + 3     (B)   2 + 3 + 3     (C)   2 × 2 × 3     (D)   2 × 3 × 3     (E)   2 + 3 + 3
 
(F)   None of these. The equation is ______________ 
 

 

b) 
Circle the number of small blocks there are in this shape. 
 
(A)   10     (B)   11     (C)   24     (D)   36     (E)   48 
 
(F)   None of these. The number of blocks in this shape is ______________
Level:
4
Curriculum info: 
Maths, Geometry and Measurement, Measurement
Keywords: 
cuboids, multiplication
Description of task: 
Students identify an equation which expresses the volume of a cuboid and calculate the number of blocks in a different cuboid.
Learning Progression Frameworks
This resource can provide evidence of learning associated with
Multiplicative thinking, sets 6-7
within the Mathematics Learning Progressions Frameworks.
Read more about the Learning Progressions Frameworks.
Answers/responses: 
 

Y8 (06/2000)

a)

C

easy

b)

D

easy
Diagnostic and formative information: 
 

Common error

Likely reason

b) Option E

33
66

Number of faces showing.
2 × numbers of faces showing.