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Abacus
Step-by-step abacus know-how, movable beads, number building, and animated addition and subtraction lessons.
7 Activities TotalAligned with CBSE, ICSE, NEP 2020 & Common Core
Ages 5–8
Step 1: Abacus Know How
Learn the frame, rods, heaven and earth beads, and how a bead counts when it touches the bar.
CBSEICSENEP 2020Common Core
Ages 5–8
Step 2: Interactive Abacus
Move the beads yourself and watch the number form live. A free-play sandbox for the classroom smartboard.
CBSEICSENEP 2020Common Core
Ages 5–8
Step 3: Form Numbers on the Abacus
A number appears on screen. Set the beads to match ones, then tens, and check your work.
CBSEICSENEP 2020Common Core
Ages 5–8
Step 4: Level 1 Addition Know How
Animated single-digit addition on one Ones rod, with answers up to 9 and no carrying.
CBSEICSENEP 2020Common Core
Ages 5–8
Step 5: Level 1 Addition Practice
Master single-digit addition on the Ones rod. Every answer is 9 or less, with no carrying.
CBSEICSENEP 2020Common Core
Ages 5–8
Step 6: Level 1 Subtraction Know How
Animated single-digit subtraction on one Ones rod, with no borrowing.
CBSEICSENEP 2020Common Core
Ages 5–8
Step 7: Level 1 Subtraction Practice
Master single-digit subtraction on the Ones rod, with no borrowing.
CBSEICSENEP 2020Common Core