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# Math journal wk 4

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### Math journal wk 4

1. 1. Math Journal<br />Week 4<br />
2. 2. Monday September 13, 2010<br />Warm Up<br />What place value? 59.726<br />Write twelve and nine hundredths.<br />Compare: 3.4 O 3.29<br />Round to the nearest <br />hundredth: 5.639<br />
3. 3. Tuesday September 14, 2010<br />Warm Up<br />Round: 2,456.76<br />19.5 O 21<br /> Smallest to Largest: 1.4; 3; 2.5; 8<br />Write the largest number you can <br />Make with the digits 5 6 2 9<br />
4. 4. Wednesday September 15, 2010<br />Warm Up<br />What place value? 1,242,000<br />Draw 1.4 pizzas<br />Find the smallest possible number<br /> using the digits 7, 4, 0, 2, and 5<br />4. 6,009 O 897<br />
5. 5. Thursday September 16, 2010<br />Warm Up<br />What place value? 1,242,000<br />Draw two and three tenths cakes<br />Find the largest possible number<br /> using the digits 0, 4, 1, 9, and 6<br />4. 6.90 O 6.9<br />
6. 6. Monday September 13, 2010<br />Facts Practice<br />99 + 25 = <br />40 – 25 = <br />10 x 8 = <br />7 x 7 = <br />9 x 7 = <br />
7. 7. Tuesday September 14, 2010<br />Facts Practice<br /> 50 – 23 = <br />8 x 4 = <br />1,000,000 – 5,016= <br />6, 9, __, 15<br />9 x 9 =<br />
8. 8. Wednesday September 15, 2010<br />Facts Practice<br />88 + 88 =<br />14 x 1 = <br />423 – 296 = <br /> 15, 12, 9, __<br />8 x 0 =<br />
9. 9. Thursday September 16, 2010<br />Facts Practice<br />12.5 – 3.5 =<br />3 x 7 x 2 = <br />99, 88, __, 66 = <br />8 + 13 = 13 + __<br />93 + 13 + 34 =<br />
10. 10. Week 4<br />Focus Skill<br />This week’s focus skill is rounding,<br />ordering, and solving problems<br />using decimals to the thousandths <br />place<br />
11. 11. Focus Skill<br />Let’s review rounding with<br />Decimals:<br />1) 578.67<br />
12. 12. Focus Skill<br />Now review how to compare decimal numbers. Remember, we use < > = to compare.<br />2) 9 O 7.2<br />
13. 13. Focus Skill<br />Compare:<br />7 O 7.00<br />101 O 100.97<br />
14. 14. Focus Skill<br />Now we will order decimal numbers. Make sure you know if it is smallest to largest or largest to smallest.<br />
15. 15. Focus Skill<br />Let’s try one:<br />Order from least to greatest:<br /> 4.5; 8; 4.35; 11; 1.3<br />
16. 16. Focus Skill<br />Order from greatest to least:<br /> 21; 15.12; 89.1; 37.99; 21.5<br />
17. 17. Focus Skill<br />Now we will add and subtract with decimals.<br />Write the rule in your notes:<br />When adding or subtracting decimals, line up the decimals<br />
18. 18. Focus Skill<br />Let’s try one together:<br />8.3 + 6.7 =<br /> 8.3<br />+ 6.7<br />.<br />Line up the decimals<br />
19. 19. Focus Skill<br />You try one:<br />7.3 + 11.4 =<br />.<br />+ .___<br />.<br />Line up the decimals<br />
20. 20. Focus Skill<br />You try one:<br />61.1 + 25.93 =<br />.<br />+ .___<br />.<br />Line up the decimals<br />Add missing zeroes<br />
21. 21. Focus Skill<br />You try one:<br />44 + 1.8 =<br />.<br />+ .___<br />.<br />Line up the decimals<br />Add missing zeroes<br />
22. 22. Focus Skill<br />Subtraction works the same way:<br />8.3 - 5.1 =<br /> 8.3<br />- 5.1<br />.<br />Line up the decimals<br />
23. 23. Focus Skill<br />You try one:<br />5.2 - 2.4 =<br />.<br />+ .___<br />.<br />Line up the decimals<br />
24. 24. Focus Skill<br />You try one:<br />90 - 15.7 =<br />.<br />+ .___<br />.<br />Line up the decimals<br />Add missing zeroes<br />
25. 25. Focus Skill<br />You try one:<br />10.8 – 8.21 =<br />.<br />+ .___<br />.<br />Line up the decimals<br />Add missing zeroes<br />
26. 26. Focus Skill<br />Your turn:<br />Line up the decimals<br />Add missing zeroes<br />4.5 + 2.4 =<br />7.2 – 5.5 =<br />12 + 6.6 =<br />9.1 – 6 =<br />77 + 8.12 =<br />