Adding and Subtraction Like Fractions Review

When adding or subtracting fractions, I must always have a (a)   . I then add or subtract the ​ (b)   and keep ​ (c)   the same.

• Common Denominator

• Numerators

• Denominator

• Common Numerators

• Divisor

• Dividend

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Change the following subtraction problems to addition using Keep - Change - Change, then put them under the correct adding rule you would use to solve the problem.

Groups:

(a) Adding Numbers with the same sign

,

(b) Adding Numbers with different signs

Tags

CCSS.7.NS.A.1B

Review: What is 1/10 + 5/10?

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Landon has 8/10 of his lawn left to mow. He mows 6/10 of the lawn before breaking for breakfast. How much more of the lawn does Landon have left to mow?

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

• 1

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

What is the sum of these fractions in lowest terms?

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Find the sum.

• 7/18

• 7/9

• 12/9

• 12/81

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

What equation is shown here?

• 2/10 + 6/10 = 8/10

• 6/10 - 4/10 = 2/10

• 2/10 + 4/10 = 6/10

• 0+ 2/10 = 6/10

Tags

CCSS.4.NF.B.3A

• 1/6
• 1
• 1/0
• 1/12

Tags

CCSS.4.NF.B.3A