Abacus representation and addition

Add the numbers represented on the abacus.

Add the numbers represented.

• 20147

• 14569

• 18975

• 14848

Add the numbers represented on the abacus?

Add the numbers on the abacus.

What are number bonds?

• pair of addends that add up to give a sum.

• pair of digits to multiply

• pair of digits to divide

• pair of digits to subtract

Identify the number represented on the abacus?

• 2659

• 8974

• 5479

• 86953

Identify the number

add the 2 numbers on the abacus

• 67840

• 5478

• 45698

• 21478

find the sum