Adding Rational Numbers 2nd Hour

Add: 1/4 + (-3/8)

• 1/8

• -1/4

• -1/8

• 1/4

Tags

CCSS.7.NS.A.1C

Add: -3.6 + 7.5

• -11.1

• 11.1

• -4.9

• 3.9

Tags

CCSS.7.NS.A.1C

When adding rational numbers with the same sign, you must:

• Subtract and keep the sign of the biggest number

• Add together and keep the sign

• Keep, change, flip

• Add the opposite

When adding rational numbers with different signs, you must:

• Subtract and keep the sign of the biggest number

• Add together and keep the sign

• Keep, change, flip

• Add the opposite

Add: -2.3 + ( -0.6)

• -1.7

• 1.7

• -2.9

• 2.3

Tags

CCSS.7.NS.A.1C

-2.61 + (-6.88)

• 9.49
• -9.49
• 4.27
• -4.27

Tags

CCSS.7.NS.A.1C

7.19 + (-5.34)

• 12.53
• -12.53
• 1.85
• -1.85

Tags

CCSS.7.NS.A.1C

5/9 + -3/4

• -7/36
• 7/36
• 8/13
• -8/13

Tags

CCSS.7.NS.A.1C

⅗+(−⅕)=

• ⅖
• −⅖
• ⅘

Tags

CCSS.7.NS.A.1C

-8⅚ + -2⅕

• -11 1/30
• 11 1/30
• -10 6/11
• 10 6/11

Tags

CCSS.7.NS.A.1C