The Doorbell Rang
New Math TEKS Grades 3-5 Involving
Fractions and Decimals
Mom made some cookies that was shared
equally between Victoria and Sam.
?
What fraction of the whole did each child receive?
half
1
2
half
1
2
5.3 (J)represent division of a unit fraction by a whole number and the division of a whole
number by a unit fraction such as 1/3 ÷ 7 and 7 ÷ 1/3 using objects and pictorial models,
including area models
Each child received six cookies. What fraction
of the whole is each cookie?
Victoria
Sam
1
1
¸6 =
2
12
TEK 5.3 ( J )represent division of a unit fraction by a whole number and the division of a whole
number by a unit fraction such as 1/3 ÷ 7 and 7 ÷ 1/3 using objects and pictorial models,
including area models
The plate represents one whole group of cookies
and each cookie is one twelfth of the whole.
Victoria
Sam
1
12
1
12
1
12
1
12
1
12
1
12
1
12
1
12
1
12
1
12
1
12
1
12
6
= 12
=
TEK 5.3 J Represent division of a unit fraction by a whole number and the
division of a whole number by a unit fractions using objects and pictorial
6
12
=
=
1
2
1
2
Each child received six cookies. What fraction
of the whole did each child receive?
6
1
6´ =
12 12
TEK 5.3 I represent and solve multiplication of a whole number and a fraction that
refers to the same whole using objects and pictorial models, including area models
Tom and Hannah came in. Sam shared his half with Tom
and Victoria shared her half with Hannah. What fraction
of the whole does each child have?
Victoria
Sam
Hannah
Tom
1
¸2 =
2
Victoria
Sam
Hannah
Tom
5.3 (J) represent division of a unit fraction by a whole number and the division of a whole
number by a unit fraction such as 1/3 ÷ 7 and 7 ÷ 1/3 using objects and pictorial models,
including area models
Each child received one fourth of the whole.
1
1
¸2 =
2
4
5.3 (J) represent division of a unit fraction by a whole number and the division of a whole
number by a unit fraction such as 1/3 ÷ 7 and 7 ÷ 1/3 using objects and pictorial models,
including area models
Tom and Hannah came in. Sam shared his half with Tom
and Victoria shared her half with Hannah. What fraction
of the whole does each child have?
Victoria
Sam
Hannah
Tom
2 1
1
2´ = =
4 2
4
Victoria
Sam
Hannah
Tom
TEK 5.3 I represent and solve multiplication of a whole number and a fraction that
refers to the same whole using objects and pictorial models, including area models
Victoria and Sam each received six cookies
What fraction of the whole is each cookie?
Victoria has
cookies.
6
12
Victoria
Sam
of the
1
12
1
12
Sam has six twelfth of the cookies.
1
12
1
12
1
12
1
12
1
12
1
12
1
12
1
12
1
12
1
12
TEK 5.3 J Represent division of a unit fraction by a whole number and the
division of a whole number by a unit fractions using objects and pictorial
Since each child receives one fourth of the whole, or three cookies each.
How much of the whole is one cookie?
1
1
¸3=
12
4
Victoria
Hannah
=
3
12
Sam
Tom
What is another representation of the part that each child has?
Since each child receives three cookies, how much of the whole does each has?
What is another representation of the part that each child has ?
3 1
1
=
3´ =
12 12 4
Victoria
Hannah
=
3
12
Sam
Tom
The doorbell rang. Peter and his little brother came in.
Victoria shared her half equally with Hannah, and Peter’s
brother. Sam shared his half equally with Tom and
Peter. What equation can be written to find out how
much of the whole set of cookies will each child receive?
Victoria
Sam
1
6
Hannah
Little
Brother
Tom
Peter
1
1
¸3=
6
2
TEK 5.3 J Represent division of a unit fraction by a whole number and the division of a
whole number by a unit fractions using objects and pictorial
If each child received one-sixth of the whole then how
much of the whole will three students receive?
Victoria
Sam
1
6
Hannah
Little
Brother
Tom
Peter
1
1
´3=
6
12
TEK 5.3 I represent and solve multiplication of a whole number and a fraction that refers
to the same whole using objects and pictorial models, including area models