Place Value Builder
Build numbers with ones, tens, hundreds and thousands blocks, then decimals.
What it teaches
- Number bonds to 5, 10 and 20 with ten frames
- Bonds to 100: make the next ten first
- Decimal bonds to 1 (tenths and hundredths)
How to play
Step 1: Look at the number and the target.
Step 2: Pop the bubble that makes the target.
Step 3: Not right yet? A clue shows how to count on or use the frame.
Levels
Start where it feels easy. Inside each level the questions get harder or easier as you play.
- Level 1 · Ages 4–5Bonds to 5Pictures in a five framePlay level 1
- Level 2 · Ages 5–7Bonds to 10Ten frame, then withoutPlay level 2
- Level 3 · Ages 6–8Bonds to 20Use the 10 inside 20Play level 3
- Level 4 · Ages 7–10Bonds to 100Tens, fives, then any numberPlay level 4
- Level 5 · Ages 10–12Decimals to 1Tenths, then hundredthsPlay level 5
Try a question
Level 2
Which bubble makes 10 with 8?
8+?=10
Show the answer
Answer: 2
8 + 2 = 10
Count the empty spaces in the frame. That’s how many more make 10.
Level 4
Which bubble makes 100 with 55?
55+?=100
Show the answer
Answer: 45
55 + 45 = 100
Make the next ten first: 55 + 5 = 60. Then count on in tens to 100.
The strategy behind it
Each level links to a short lesson that shows the trick step by step.
Practise on paper
Printable worksheets on the same topic, with answer keys.
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