Number · Challenge 1 of 25 · about 5 min
Decimal Place-Value House
Build a decimal by placing ones, tenths and hundredths in the correct columns.
Your challenge
Take your time. Your answer is checked only when you choose Check Answer.
Curriculum details
- Curriculum code
- VC2M4N01
- Strand
- Number
- Focus
- Represent and name decimals involving ones, tenths and hundredths.
Interactive visual
An interactive Place-value house model is ready. Choose Show Visual Trick to reveal and hear one mathematical change at a time.
Visual Trick
Place-value house
The first room after the decimal point is tenths, and the second room is hundredths.
-
Step 1
Move three whole units into the ones column.
-
Step 2
Move four tenth strips into the tenths column.
-
Step 3
Move seven hundredth squares into the hundredths column.
-
Step 4
Place the digits 3, 4 and 7 in their matching columns.
-
Step 5
Connect the chart to the decimal 3.47.
Your answer
Worked explanation
Why the answer makes sense
- Three whole units contribute 3 ones.
- Four tenth strips contribute 0.4 and seven hundredth squares contribute 0.07.
- 3 + 0.4 + 0.07 = 3.47.
This counts as one completed curriculum item. You can replay the model or review it again anytime.