Math Family Night C-FB ISD Grades 3-5 2012-2013.

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Transcript of Math Family Night C-FB ISD Grades 3-5 2012-2013.

Math Family Night

C-FB ISDGrades 3-52012-2013

ONE FACTS

ZERO FACTS

The product of any number (factor) and 0

is 0.

The product of any number (factor) and 1 is

the original factor.

ONE FACTS

ZERO FACTS

DOUBLE

The product of any number (factor) and 2 is just double the original

factor.

How will this help your child in the future?

Try these:15 x 2 = 1.2 x 2 = 134 x 2 =

ONE FACTS

ZERO FACTS

DOUBLE

DOUBLE, DOUBLE

The product of any number (factor) and 4 is just double, double

the original factor.

How will this help your child in the future?

Try these:15 x 4 = 1.5 x 4 = 124 x 4 =

ONE FACTS

ZERO FACTS

DOUBLE

DOUBLE, DOUBLE

DOUBLE, DOUBLEDOUBLE

The product of any number (factor) times 8 is just double, double,

double the original number.

How will this help your child in the future?

Try these:22 x 8 = 2.1 x 8 = 1/2 x 8 =

ONE FACTS

ZERO FACTS

DOUBLE

DOUBLE, DOUBLE

TENS Place Value Shift

DOUBLE, DOUBLEDOUBLE

The product of any number (factor) and 10 is 10 times as

large.(Any number times 10 causes the number(factor) to shift to

the left one place value.)

How will this help your child in the future?

Try these:15 x 10 = 1.2 x 10 = 134 x 10 =

ONE FACTS

ZERO FACTS

DOUBLE

DOUBLE, DOUBLE

TENS

5 IS HALF OF 10

DOUBLE, DOUBLEDOUBLE

The product of any number(factor) and 5 is just the product of the number times 10 and then half the

product.

How will this help your child in the future?

Try these:15 x 5 = 1.2 x 5 =

ONE FACTS

ZERO FACTS

DOUBLE

DOUBLE, DOUBLE

TENS Place Value Shift

Tens Minus 1 Group

DOUBLE, DOUBLEDOUBLE

5 IS HALF OF 10

The product of any number and 9 is just the original number times 10

minus the original number.

How will this help your child in the future?

Try these:15 x 9 =

134 x 9 =

ONE FACTS

ZERO FACTS

DOUBLE

DOUBLE, DOUBLE

TENS Place Value Shift

Tens Minus 1 group

DOUBLE, DOUBLEDOUBLE

5 IS HALF OF 10

DOUBLE + ONE

The product of any number (factor) and 3 is just the original number doubled plus the original

number.

How will this help your child in the future?

Try these:15 x 3 = 1.2 x 3 = 7/8 x 3 =

ONE FACTS

ZERO FACTS

DOUBLE

DOUBLE + ONE

DOUBLE, DOUBLE

TENS

NINES

5 IS HALF OF 10

5 AND ONE MOREDOUBLE, DOUBLEDOUBLE

The product of any number (factor) and 6 can be thought about in two ways. 1 group

more than 5 times a number or the number times 3,

doubled.

The product of any number (factor) and 6 is the same as the number times 5 plus the

original number.

ONE FACTS

ZERO FACTS

DOUBLE

DOUBLE + ONE

DOUBLE, DOUBLE

TENS

NINES

5 IS HALF OF 10

5 AND ONE MOREDOUBLE, DOUBLEDOUBLE

To find the product of any number and 7, think about

using the commutative property and then apply

that strategy.

Let’s all work together to ensure our students know their multiplication combinations with automaticity, but through strategy.