Resources tagged with: Equivalent fractions, decimals and percentages

There are 14 NRICH Mathematical resources connected to Equivalent fractions, decimals and percentages, you may find related items under Fractions, decimals, percentages, ratio and proportion.

Problem Primary curriculum Secondary curriculum

Terminating or Not

Is there a quick way to work out whether a fraction terminates or recurs when you write it as a decimal?

Age 11 to 14

Challenge Level

Problem Primary curriculum Secondary curriculum

Tumbling Down

Watch this animation. What do you see? Can you explain why this happens?

Age 7 to 11

Challenge Level

Problem Primary curriculum Secondary curriculum

Almost One

Choose some fractions and add them together. Can you get close to 1?

Age 11 to 14

Challenge Level

Problem Primary curriculum Secondary curriculum

The Greedy Algorithm

The Egyptians expressed all fractions as the sum of different unit fractions. The Greedy Algorithm might provide us with an efficient way of doing this.

Age 11 to 14

Challenge Level

Problem Primary curriculum Secondary curriculum

Power Match

Can you locate these values on this interactive logarithmic scale?

Age 16 to 18

Challenge Level

Problem Primary curriculum Secondary curriculum

Round and Round and Round

Where will the point stop after it has turned through 30 000 degrees? I took out my calculator and typed 30 000 ÷ 360. How did this help?

Age 11 to 14

Challenge Level

Problem Primary curriculum Secondary curriculum

Fractions Jigsaw

A jigsaw where pieces only go together if the fractions are equivalent.

Age 11 to 14

Challenge Level

Problem Primary curriculum Secondary curriculum

Fractional Wall

Using the picture of the fraction wall, can you find equivalent fractions?

Age 7 to 11

Challenge Level

Problem Primary curriculum Secondary curriculum

Sept 03

What is the last digit of the number 1 / 5^903 ?

Age 11 to 14

Challenge Level

Problem Primary curriculum Secondary curriculum

Repetitiously

Can you express every recurring decimal as a fraction?

Age 14 to 16

Challenge Level

Problem Primary curriculum Secondary curriculum

Tiny Nines

What do you notice about these families of recurring decimals?

Age 14 to 16

Challenge Level

Problem Primary curriculum Secondary curriculum

Matching Fractions, Decimals and Percentages

Can you match pairs of fractions, decimals and percentages, and beat your previous scores?

Age 7 to 14

Challenge Level

Problem Primary curriculum Secondary curriculum

Linked Chains

Can you find ways to make twenty-link chains from these smaller chains? This gives opportunities for different approaches.

Age 7 to 11

Challenge Level

Problem Primary curriculum Secondary curriculum

Fraction Lengths

Can you find combinations of strips of paper which equal the length of the black strip? If the length of the black is 1, how could you write the sum of the strips?

Age 7 to 11

Challenge Level