Step 1 of 4 · Picture of numbers
Numbers can be drawn as
flats
,
rods
, and
cubes
.
100
Flat · 10 × 10
10
Rod · 10 cubes
1
Cube
456 looks like
To subtract, take away the same kind from each pile:
flats
from flats,
rods
from rods,
cubes
from cubes.
See it animated
Step 2 of 4 · 456 − 123
456
−
123
=
?
Hundreds
Tens
Ones
3 H
+
3 T
+
3 O
=
333
456 − 123 =
333
Replay
Next
Step 3 of 4 · 298 − 110
298
−
110
=
?
Hundreds
Tens
Ones
1 H
+
8 T
+
8 O
=
188
298 − 110 =
188
Replay
Practice
Step 4 of 4 · Your turn
Subtract place by place.
Next question
🏆
Nice work!
You subtracted with blocks.
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