Multiplying Whole Numbers spiegato: definizione, esempi, pratica e lezioni video

0

Concetto

Intro to Multiplication

Durata del video:

4m

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0

Problema

Rewrite the problem as a multiplication problem and solve.
$3 + 3 + 3 + 3 + 3 + 3 + 3$

A

$3 \times 7 = 20$

B

$3 \times 7 = 21$

C

$3 \times 6 = 18$

D

$3 \times 6 = 21$

0

Problema

Rewrite the problem as a multiplication problem and solve.
$8 + 8 + 8 + 8$

A

$8 \times 4 = 32$

B

$8 \times 4 = 24$

C

$8 \times 8 = 64$

D

$8 \times 8 = 24$

0

Problema

Draw an array to represent the expression.
$5 times 3$

A

Blue array of nine squares arranged in three rows and three columns representing 5 times 3 multiplication.

B

Blue dots arranged in a 5 by 3 rectangular array representing the multiplication expression 5 times 3.

C

Blue array of 5 rows and 3 columns representing the multiplication expression 5 times 3.

D

Blue squares arranged in a 5 by 3 grid forming an array to represent the multiplication expression 5 times 3.

0

Problema

Write an expression to represent the array.

A

$7 times 7$

B

$2 times 2$

C

$2 times 7$

D

$14 times 1$

0

Problema

Find the product
$3 bullet 3 bullet 6$

A

$36$

B

$45$

C

$54$

D

$63$

0

Problema

Find the product.
$(10) (3) (2)$

A

$32$

B

$50$

C

$60$

D

$30$

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Concetto

Properties of Multiplication

Durata del video:

5m

0

Problema

State which property of multiplication is being used.
$3 (5 \times 2) ∙ 9 = 3 ∙ 5 (2 \times 9)$

A

0 PROPERTY

B

1 PROPERTY

C

COMMUTATIVE

D

ASSOCIATIVE

E

DISTRIBUTIVE

0

Problema

State which property of multiplication is being used.
$7 bullet 0 equals 0$

A

0 PROPERTY

B

1 PROPERTY

C

COMMUTATIVE

D

ASSOCIATIVE

E

DISTRIBUTIVE

0

Problema

State which property of multiplication is being used.
$8 \times 4 (2) = 4 \times 2 ∙ 8$

A

0 PROPERTY

B

1 PROPERTY

C

COMMUTATIVE

D

ASSOCIATIVE

E

DISTRIBUTIVE

0

Problema

Use the properties of multiplication to find the product of each expression.
$3 (8 + 1 + 4)$

A

39

B

64

C

28

D

31

0

Problema

Use the properties of multiplication to find the product of each expression.
$(2 \times 4) 9$

A

648

B

54

C

89

D

72

0

Concetto

Solving Multiplication Problems

Durata del video:

5m

0

Problema

Find the product by rewriting with the distributive property.
$57 times 6$

A

$50 (6 + 7) = 650$

B

$6 (50 + 7) = 342$

C

$7 (50 \times 6) = 2100$

D

$7 (50 \times 6) = 342$

0

Problema

Find the product by rewriting with the distributive property.
$384 times 5$

A

$5 (300 \times 80 \times 4) = 480000$

B

$5 (300 + 80 + 4) = 1600$

C

$5 (300 + 80 + 4) = 1920$

D

$5 (300 \times 80 \times 4) = 1620$

0

Problema

Find the product.

A

$36$

B

$144$

C

$1224$

D

$27$

0

Problema

Find the product.

A

693

B

126

C

3969

D

189

0

Problema

Find the product.

A

$984$

B

$660$

C

$60$

D

$1104$

0

Concetto

Multiplying Large Whole Numbers

Durata del video:

5m

0

Problema

Find the product.
$45 \times 23 \times 1$

A

$945$

B

$1035$

C

$1025$

D

$1135$

0

Problema

Find the product.
$811 \times 0 \times 15$

A

$12165$

B

$811$

C

$15$

D

$0$

0

Problema

Find the product.

A

$3542$

B

$3920$

C

$1120$

D

4550

0

Problema

Find the product.

A

$25952$

B

$25920$

C

$32324$

D

$26244$

0

Esempio

Multiplying Large Whole Numbers Example 1

Durata del video:

1m

0

Esempio

Multiplying Large Whole Numbers Example 2

Durata del video:

2m

0

Esempio

Multiplying Large Whole Numbers Example 3

Durata del video:

1m

Multiplying Whole Numbers: Video e Problemi di Pratica

Intro to Multiplication

Rewrite the problem as a multiplication problem and solve.
$3 + 3 + 3 + 3 + 3 + 3 + 3$

Rewrite the problem as a multiplication problem and solve.
$8 + 8 + 8 + 8$

Draw an array to represent the expression.
$5 times 3$

Write an expression to represent the array.

Find the product
$3 bullet 3 bullet 6$

Find the product.
$(10) (3) (2)$

Properties of Multiplication

State which property of multiplication is being used.
$3 (5 \times 2) ∙ 9 = 3 ∙ 5 (2 \times 9)$

State which property of multiplication is being used.
$7 bullet 0 equals 0$

State which property of multiplication is being used.
$8 \times 4 (2) = 4 \times 2 ∙ 8$

Use the properties of multiplication to find the product of each expression.
$3 (8 + 1 + 4)$

Use the properties of multiplication to find the product of each expression.
$(2 \times 4) 9$

Solving Multiplication Problems

Find the product by rewriting with the distributive property.
$57 times 6$

Find the product by rewriting with the distributive property.
$384 times 5$

Find the product.

Find the product.

Find the product.

Multiplying Large Whole Numbers

Find the product.
$45 \times 23 \times 1$

Find the product.
$811 \times 0 \times 15$

Find the product.

Find the product.

Multiplying Large Whole Numbers Example 1

Multiplying Large Whole Numbers Example 2

Multiplying Large Whole Numbers Example 3

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Multiplying Whole Numbers: Video e Problemi di Pratica

Intro to Multiplication

Rewrite the problem as a multiplication problem and solve.3+3+3+3+3+3+33+3+3+3+3+3+3

Rewrite the problem as a multiplication problem and solve.8+8+8+88+8+8+8

Draw an array to represent the expression.5×35\(\times\)3

Write an expression to represent the array.

Find the product3∙3∙63∙3∙6

Find the product. (10)(3)(2)(10)(3)(2)

Properties of Multiplication

State which property of multiplication is being used.3(5×2)∙9=3∙5(2×9)3(5×2)∙9=3∙5(2×9)

State which property of multiplication is being used.7∙0=07∙0=0

State which property of multiplication is being used.8×4(2)=4×2∙88×4(2)=4×2∙8

Use the properties of multiplication to find the product of each expression.3(8+1+4)3(8+1+4)

Use the properties of multiplication to find the product of each expression.(2×4)9(2×4)9

Solving Multiplication Problems

Find the product by rewriting with the distributive property.57×657×6

Find the product by rewriting with the distributive property.384×5384×5

Find the product.

Find the product.

Find the product.

Multiplying Large Whole Numbers

Find the product.45×23×145×23×1

Find the product.811×0×15811×0×15

Find the product.

Find the product.

Multiplying Large Whole Numbers Example 1

Multiplying Large Whole Numbers Example 2

Multiplying Large Whole Numbers Example 3

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Rewrite the problem as a multiplication problem and solve.
$3 + 3 + 3 + 3 + 3 + 3 + 3$

Rewrite the problem as a multiplication problem and solve.
$8 + 8 + 8 + 8$

Draw an array to represent the expression.
$5 times 3$

Find the product
$3 bullet 3 bullet 6$

Find the product.
$(10) (3) (2)$

State which property of multiplication is being used.
$3 (5 \times 2) ∙ 9 = 3 ∙ 5 (2 \times 9)$

State which property of multiplication is being used.
$7 bullet 0 equals 0$

State which property of multiplication is being used.
$8 \times 4 (2) = 4 \times 2 ∙ 8$

Use the properties of multiplication to find the product of each expression.
$3 (8 + 1 + 4)$

Use the properties of multiplication to find the product of each expression.
$(2 \times 4) 9$

Find the product by rewriting with the distributive property.
$57 times 6$

Find the product by rewriting with the distributive property.
$384 times 5$

Find the product.
$45 \times 23 \times 1$

Find the product.
$811 \times 0 \times 15$