Column Abacus 1 By 2 Digit Multiplication

Question 1

You need to have memorized your multiplication tables first before beginning this deck.

Recite all of them up to 9 x 9 without error.

1 x 1 = 1 (one times one is one)
1 x 2 = 2 etc.

Answer 1

For reference I am able to do this task in 2 min 48 seconds while saying each multiplication, not just saying the results. At minimum you should be able to do this in 5 min accurately.

Question 2

Column abacus

4(36)

Use single digit multiplication to arrive at two products that make a sum to determine the actual product.

Answer 2

144

Question 3

Column abacus

2(32)

Use single digit multiplication to arrive at two products that make a sum to determine the actual product.

Answer 3

64

Question 4

Column abacus

8(13)

Use single digit multiplication to arrive at two products that make a sum to determine the actual product.

Answer 4

104

Question 5

Column abacus

3(19)

Use single digit multiplication to arrive at two products that make a sum to determine the actual product.

Answer 5

57

Question 6

Column abacus

7(94)

Use single digit multiplication to arrive at two products that make a sum to determine the actual product.

Answer 6

658

Question 7

Column abacus

6(32)

Use single digit multiplication to arrive at two products that make a sum to determine the actual product.

Answer 7

192

Question 8

Column abacus

7(28)

Use single digit multiplication to arrive at two products that make a sum to determine the actual product.

Answer 8

196