Addition of Fractions
Decompose Fractions
Subtraction of Fractions
Addition -or- Subtraction of Mixed Numbers
Vocabulary
100

1/10 + 4/ 10 = 

5/10

100

Rellena el espacio en blanco para completar 7/8


3/8 + _____ = 7/8

4/8

100

14/6 - 12/6 =

2/6 

100

1 1/2 + 3 1/2 =

5 enteros

100

The top number in a fraction.

Numerator

200

7/8 + 1/8 =

8/8 -or- 1 entero

200

La Sra. Dunford tiene 11/8 de sopa que tiene que repartir en 3 boles. ¿Cuál sería una forma de descomponer esta fracción?

Ejemplos de respuestas:

1/8 + 7/8 + 3/8

6/8 + 3/8 + 9/8

2/8 + 2/8 + 2/8 + 2/8 + 2/8 + 1/8

200

24/4 - 18/4 =

6/4 -or- 1 2/4

200

2 3/5 + 1 3/5 =

4 1/5

200

What operation does the fraction bar represent?

Divide

300

Shira está haciendo tacos y nachos for para su familia. Usa 1/5 de la bolsa para tacos y 2/5 para nachos. ¿Cuánto queso usa al final?

3/5 de la bolsa.

300

¿Cómo puedes descomponer 3 1/8? 

Ejemplos de respuestas:

8/8 + 8/8 + 8/8 + 1/8

8/8 + 8/8 + 7/8 + 1/8 + 1/8

8/8 + 4/8 + 4/8 + 8/8 + 1/8

300

Mrs. Warren noticed that out of 10 students 3 were wearing brown shoes and 4 were wearing black shoes. What fraction were not wearing brown or black shoes?

3/10 were not wearing brown or black shoes. 

300

Milla is crocheting a scarf. She has competed 2 and 7/12 feet so far. She needs another 2 and 11/12 feet more. Write an equation to show how you would find the total length of the completed scarf.

2 7/12 + 2 11/12 = 

300

Fractions that equal the same amount but are written differently, such as 5/10 = 3/6 = 1/2

Equivalent Fractions

400

3/8 + 2/8 + 32/8 = (numero mixto)

4 y 5/8

400

Josephine ate 1/5 bag of popcorn and shares the rest with Taylinn. What is one possible way she can share the remaining popcorn. 

Example Answers:

Josephine 1/5 Taylinn 3/5

Josephine 2/5 Taylinn 2/5

Josephine 3/5 Taylinn 1/5


400

Which of the following does not have a difference of 2/3??

A. 7/3 - 3/3

B. 4/3 - 2/3

C. 3/3 - 1/3

A. 

400

4 1/8 - 1 4/8 =

2 5/8

400

Fractions that are used in estimating addition or subtraction of fractions.

Benchmark Fractions

500

¿Cómo puedes sumar 3/10 y 2/5? Usa matemáticas o palabras para explicarlo.

2/5 = 4/10 así que puedo sumar 4/10 + 3/10 y obtener 7/10

500

Gavin dijo que la suma de 1/10 + 7/10 + 4/10 es lo mismo que 5/10 + 5/10 + 2/10, ¿tiene razón?. Demuéstralo con un explicación por escrito.

Sí, tiene razón porque en ambos casos el numerador es 12 y el denominador no cambia.

500

Jonah's iPad is fully charged. She uses 1/12 of the charge playing games, 5/12 of the charge reading, and 3/12 completing her Math Path. What fractions of the charge is left on her iPad?

3/12

500

6 - 2 4/5 =

3 1/5

500

The process of regrouping (breaking into parts).

Decomposing