Add & subtract rational numbers

 $\frac{1}{4}-\frac{3}{10}$  

Tags

CCSS.7.NS.A.1C

15 - 33

Tags

CCSS.7.NS.A.1C

Tags

CCSS.7.NS.A.1C

solve

• 1  1/2
• - 1 5/9
• 1  5/9
• not here

Tags

CCSS.7.NS.A.1C

-8.15 + (-4.3)

• 12.43

• 3.85

• -12.43

• -3.85

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, switch

• Add the opposite

Tags

CCSS.7.NS.A.1C

3/4 - (-1/4)

• 1/2
• -1/2
• -5/8
• 1

Tags

CCSS.7.NS.A.1C

 $\frac{1}{6}-\frac{1}{5}$  

•  $\frac{1}{30}$  

• -1

•  $-\frac{1}{30}$  

• none of the above

Tags

CCSS.7.NS.A.1C

 $\frac{1}{3}+\left(-\frac{1}{4}\right)=\$  

•  $\frac{7}{12}$  

•  $\frac{1}{12}$  

•  $\frac{0}{12}$  

•  $\frac{1}{6}$  

Tags

CCSS.7.NS.A.1C

Find -6.23 + 7.5

• 13.73

• 1.3

• -1.27

• 1.27

Tags

CCSS.7.NS.A.1C