Question

multiplication introduction
part 1 of 2 1 2 trying to earn:
these problems in your head. use paper only for the problems that you just cant do in your head. its important
do as many of these problems without paper as you can.
do not use a calculator at all.
×10 =
×10 =
0 × 82 =
)×3 =
)×6 =
)×5 =
× 700 =
0 × 900 =
0 × 200 =
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Explanation:

Step1: Multiply by 10 (add 0)

Assuming first term is $1 \times 10$: $\boldsymbol{1 \times 10 = 10}$

Step2: Multiply by 10 (add 0)

Assuming first term is $1 \times 10$: $\boldsymbol{1 \times 10 = 10}$

Step3: Multiply by 10 (add 0)

$10 \times 82 = 820$

Step4: Multiply by 3

Assuming first term is $10 \times 3$: $\boldsymbol{10 \times 3 = 30}$

Step5: Multiply by 6

Assuming first term is $10 \times 6$: $\boldsymbol{10 \times 6 = 60}$

Step6: Multiply by 5

Assuming first term is $10 \times 5$: $\boldsymbol{10 \times 5 = 50}$

Step7: Multiply by 700

Assuming first term is $10 \times 700$: $\boldsymbol{10 \times 700 = 7000}$

Step8: Multiply by 900

$10 \times 900 = 9000$

Step9: Multiply by 200

$10 \times 200 = 2000$

Answer:

10
10
820
30
60
50
7000
9000
2000

Note: The first digit of the first six problems is cut off; this solution assumes the leading term for each incomplete problem is 10, consistent with the pattern of the fully visible problems.