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# Math journal wk 4

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### Transcript

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