Week 5 Maths

Rounding numbers

100

Round to the nearest tenth

3.287

3.3

200

round to the nearest 100

321

300

300

round to the nearest 10

10 526

10 530

400

Round to the nearest thousandth

3215.2343

3215.234

500

Round to the nearest 10 000

453 725

454 000

Fraction

100

1/2 + 1/2 =

1

200

1/2 + 1/4 =

3/4

300

Simplify 6/12

1/2

400

Convert 3/4 to a decimal

0.75

500

1/2 + 3/4 + 2/8 =

12/8 or 

1 4/8 or 

1 1/2

Parallelograms

100

This shape has two sets of _______ sides.

PARALLEL

200

The formula for the area of a parallelogram is 

A = base x height

300

If a parallelogram has a height of 5m and a base of 3m. What is its area? 

15m²

400

If a parallelogram has a base of 8cm and a height of 6cm, what is its area? 

48cm²

500

If a parallelogram has an area of 42cm² and a height of 6cm. What is the measurement for the base of the parallelogram? 

7m

Triangles

100

The area of a triangle is half a _____________

Rectangle

200

What is the area of the triangle if the height of the triangle is 4m and the base is 6m? 

12m²

300

The formula for area of a triangle is 

A = 1/2 x b x h

400

What is the area of the triangle if the base is 5cm and the height is 4cm? 

10cm²

500

A rectangle is 60cm². It is divided into two equal triangles. What is the area of one triangle? 

30cm²

Vocabulary

100

What is the word for two straight lines that are equal distance apart? 

parallel

200

A whole number squared can be described as a _______ square

perfect

300

To "square" something means to 

times a number by itself

400

The broad name given to all four sided shapes

quadrilateral

500

The name of the point at which two edges meet is called a 

vertex