Decimals and Beyond

Expert⏱ 29 min

$A place value chart showing units, tenths and hundredths for decimals$

A has a that the from the . In 3.7, the 3 is the and the 7 7 (7/10).

to the of the : , , . In 4.25, the 2 is in the (= 2/10) and the 5 is in the (= 5/100).

Units	.	Tenths	Hundredths
3	.	7
4	.	2	5

Decimal place value: each column to the right of the point is ten times smaller.

: at the . If those are , the , then the , and so on. For , 3.6 > 3.48 because 6 is more than 4 .

🧩 Put these decimals in order from smallest to largest.

To add , up the and add by , just as you would with . For : 2.4 + 1.35 = 3.75.

and are two of the thing. 0.5 is the as 1/2 ( ). 0.25 is the as 1/4. And 0.1 is one , 1/10. these by is very .

Decimals are fractions in disguise: 0.5 shades 5 of 10 parts (a half), and 0.25 shades 1 of 4 parts (a quarter).

🔗 Match each decimal to its fraction.

: £3.75 3 and 75 of a (75 ). do too: 1.8 m = 1 and 8 of a = 1 m and 80 cm.

✍️ Add these decimals by lining up the points.

2.4 + 1.35 = , and 0.5 + 0.5 = .

are than . On a , −5°C 5 . On a , sit to the of .

Zero sits in the middle. Negative numbers go left, positives go right — so −5 is colder than 5, and −2 is warmer than −5.

You can on a . −2 is than −5 because −2 is to ( to the ). In : −2°C is than −5°C.

🧩 Order these temperatures from coldest to warmest.

🗂️ Sort each number into the correct category.

🃏 Flip a card to check your decimal knowledge.

Tap each card to see the answer.

Quiz time! 📝

Question 1 of 5

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In the 4.25, what does the 2 ?