Abacus Challenge

What is the name of the horizontal bar that divides the abacus into two parts?

• divider

• line

• beam

• separator

Tags

CCSS.1.NBT.C.4

CCSS.2.MD.B.6

Using the abacus, what is the result of 5 + 3?

• 9

• 7

• 10

• 8

Tags

CCSS.2.OA.A.1

Subtract 4 from 9 using the abacus.

• 5

• 6

• 3

• 7

Tags

CCSS.2.OA.A.1

What technique is used to multiply numbers on an abacus?

• Using a calculator

• Mental calculation

• Finger counting

• Drawing dots on paper

Tags

CCSS.5.NBT.B.5

Divide 36 by 4 using the abacus.

• 6

• 9

• 12

• 18

Tags

CCSS.2.OA.C.4

What is the importance of speed and accuracy in abacus calculations?

• Speed and accuracy are important in abacus calculations to ensure efficiency and correct results.

• Accuracy is not important in abacus calculations, only speed matters

• Speed is not important in abacus calculations, only accuracy matters

• Abacus calculations do not require speed or accuracy

Tags

CCSS.2.NBT.B.5

Which part of the abacus is used to clear the beads?

• clear lever

• erase switch

• reset knob

• reset button

Tags

CCSS.2.OA.A.1

Perform the addition: 7 + 6 + 4 using the abacus.

• 14

• 18

• 10

• 17

Tags

CCSS.2.OA.A.1

How can practicing division on the abacus improve mathematical skills?

• By decreasing problem-solving skills, limiting mathematical thinking, and confusing division concepts through outdated methods.

• By enhancing mental math abilities, promoting number sense, and reinforcing the understanding of division concepts through visual and tactile learning.

Tags

CCSS.4.NBT.B.6

CCSS.5.NBT.B.6

What is the result of subtracting 7 from 15 using the abacus?

• 8

• 6

• 10

• 5

Tags

CCSS.2.OA.A.1