Since you did not select any specific options (ExplainAnswer, TeachTopic, or GeneratePractice are all false), I will provide the final answer based on the visible math problems in the center worksheet ("How do you know the moon is older than the...?").
This worksheet requires solving decimal addition and subtraction problems using number lines or standard algorithms, then matching the answers to a code. Here are the solutions for the visible problems:
Step-by-Step Calculations:
1.
$3.7 + 1.5$
* $3.7 + 1.0 = 4.7$
* $4.7 + 0.5 = 5.2$
* Answer:
5.2
2.
$9.6 - 2.7$
* $9.6 - 2.0 = 7.6$
* $7.6 - 0.7 = 6.9$
* Answer:
6.9
3.
$4.9 + 0.4$
* $4.9 + 0.1 = 5.0$
* $5.0 + 0.3 = 5.3$
* Answer:
5.3
4.
$1.7 + 1.7$
* $1 + 1 = 2$
* $0.7 + 0.7 = 1.4$
* $2 + 1.4 = 3.4$
* Answer:
3.4
5.
$2.2 + 2.9$
* $2 + 2 = 4$
* $0.2 + 0.9 = 1.1$
* $4 + 1.1 = 5.1$
* Answer:
5.1
6.
$5.6 - 2.8$
* $5.6 - 2.0 = 3.6$
* $3.6 - 0.8 = 2.8$
* Answer:
2.8
7.
$7.7 + 2.6$
* $7 + 2 = 9$
* $0.7 + 0.6 = 1.3$
* $9 + 1.3 = 10.3$
* Answer:
10.3
8.
$6.1 + 0.3$
* $6.1 + 0.3 = 6.4$
* Answer:
6.4
9.
$11.3 - 6.9$
* $11.3 - 6.0 = 5.3$
* $5.3 - 0.9 = 4.4$
* Answer:
4.4
10.
$5.7 + 2.8$
* $5 + 2 = 7$
* $0.7 + 0.8 = 1.5$
* $7 + 1.5 = 8.5$
* Answer:
8.5
11.
$13.3 - 2.6$
* $13.3 - 2.0 = 11.3$
* $11.3 - 0.6 = 10.7$
* Answer:
10.7
12.
$1.2 + 2.3$
* $1 + 2 = 3$
* $0.2 + 0.3 = 0.5$
* Answer:
3.5
*(Note: To complete the riddle "How do you know the moon is older than the sun?", you would match these numerical answers to the corresponding letters in the legend box at the top right of that specific worksheet section. For example, if 5.2 corresponds to 'H', 6.9 to 'E', etc., you would write those letters in the numbered rectangles at the bottom.)*
Final Answer:
The calculated answers for the math problems are:
1. 5.2
2. 6.9
3. 5.3
4. 3.4
5. 5.1
6. 2.8
7. 10.3
8. 6.4
9. 4.4
10. 8.5
11. 10.7
12. 3.5
Parent Tip: Review the logic above to help your child master the concept of 5th grade riddle worksheet.
