1. STANDARD 1.2 Subtraction: Problem 1 Subtraction: Problem 2 Subtracting with carry-ons: Problem 4 SUBTRACTING DECIMALS Subtracting with carry-ons: Problem 3 EQUIVALENT DECIMALS END SHOW PRESENTATION CREATED BY SIMON PEREZ. All rights reserved

2. 1.2 Add, subtract, multiply and divide rational numbers and take positive rational numbers to whole-number powers 1.2 Sumar, restar, multiplicar y dividir números racionales y elevar números positivos racionales a potencias de enteros. GRADE 7: Number Sense PRESENTATION CREATED BY SIMON PEREZ. All rights reserved

3. Sergio received from his dad $2.56 and bought a drink for $1.34. How much was he left? $2.56 1.34 – = STANDARD 1.2 22. 1 $ PRESENTATION CREATED BY SIMON PEREZ. All rights reserved

4. Peter saved $2.45 and paid his little sister $1.22. How much did he have after paying to his sister? $2.45 1.22 – = STANDARD 1.2 32. 1 $ PRESENTATION CREATED BY SIMON PEREZ. All rights reserved

5. STANDARD 1.2 1 10 =.1 =.10 1 10 1 Equivalent Decimals: So, one tenth is the same as ten hundredths or.1 and.10 are EQUIVALENT DECIMALS. PRESENTATION CREATED BY SIMON PEREZ. All rights reserved

6. STANDARD 1.2 2 10 =.2 =.20 2 10 1 So, 2 tenths are the same as twenty hundredths or.2 and.20 are EQUIVALENT DECIMALS. Equivalent Decimals: PRESENTATION CREATED BY SIMON PEREZ. All rights reserved

7. STANDARD 1.2 3 10 =.3 =.30 3 10 1 So, 3 tenths are the same as thirty hundredths or.3 and.30 are EQUIVALENT DECIMALS. Equivalent Decimals: PRESENTATION CREATED BY SIMON PEREZ. All rights reserved

8. STANDARD 1.2 1 10 =.1 =.10 2 10 =.2 =.20 <.1.2 < 1 10 2 <.10.20 < Which one is greater? PRESENTATION CREATED BY SIMON PEREZ. All rights reserved

9. STANDARD 1.2 7 10 =.7 =.70 4 10 =.4 =.40 >.7.4 > 7 10 4 >.70.40 > Which one is greater? PRESENTATION CREATED BY SIMON PEREZ. All rights reserved

10. STANDARD 1.2 3 10 =.3 =.30 5 10 =.5 =.50 <.3.5 < 3 10 5 <.30.50 < Which one is greater? PRESENTATION CREATED BY SIMON PEREZ. All rights reserved

11. A person walked.8 miles to the south and then turned around and walked.48 miles to the North. What was the total distance traveled?.80.48 – = STANDARD 1.2 See that.8 and.80 are equivalent decimals. PRESENTATION CREATED BY SIMON PEREZ. All rights reserved

12. A person walked.8 miles to the south and then turned around and walked.48 miles to the North. What was the total distance traveled?.80.48 – = STANDARD 1.2 PRESENTATION CREATED BY SIMON PEREZ. All rights reserved

13. A person walked.8 miles to the south and then turned around and walked.48 miles to the North. What was the total distance traveled?.80.48 – = STANDARD 1.2 7 10 23. PRESENTATION CREATED BY SIMON PEREZ. All rights reserved

14. Sergio received from his dad $2.07 and bought a drink for $1.89. How much was he left? $2.07 1.89 – = STANDARD 1.2 PRESENTATION CREATED BY SIMON PEREZ. All rights reserved

15. Sergio received from his dad $2.07 and bought a drink for $1.89. How much was he left? $2.07 1.89 – = STANDARD 1.2 PRESENTATION CREATED BY SIMON PEREZ. All rights reserved

16. Sergio received from his dad $2.07 and bought a drink for $1.89. How much was he left? $2.07 1.89 – = STANDARD 1.2 PRESENTATION CREATED BY SIMON PEREZ. All rights reserved

17. Sergio received from his dad $2.07 and bought a drink for $1.89. How much was he left? $2.07 1.89 – = STANDARD 1.2 PRESENTATION CREATED BY SIMON PEREZ. All rights reserved

18. Sergio received from his dad $2.07 and bought a drink for $1.89. How much was he left? $2.07 1.89 – = 81. 0 $ STANDARD 1.2 1 9 10 PRESENTATION CREATED BY SIMON PEREZ. All rights reserved