Problem Description:
The worksheet involves basic addition and subtraction problems using visual representations of objects. The task is to count the objects in the first two groups, write the numbers, and then perform the addition or subtraction as indicated.
Solution:
####
Problem 1:
-
Objects: Smiley faces
-
First Group: Count the smiley faces in the first group.
- There are
7 smiley faces.
-
Second Group: Count the smiley faces in the second group.
- There are
8 smiley faces.
-
Operation: Addition (+)
-
Calculation: \( 7 + 8 = 15 \)
Answer:
\[ 7 + 8 = 15 \]
---
####
Problem 2:
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Objects: Toucans
-
First Group: Count the toucans in the first group.
- There are
4 toucans.
-
Second Group: Count the toucans in the second group.
- There are
10 toucans.
-
Operation: Addition (+)
-
Calculation: \( 4 + 10 = 14 \)
Answer:
\[ 4 + 10 = 14 \]
---
####
Problem 3:
-
Objects: Hedgehogs
-
First Group: Count the hedgehogs in the first group.
- There are
12 hedgehogs.
-
Second Group: Count the hedgehogs in the second group.
- There are
6 hedgehogs.
-
Operation: Subtraction (−)
-
Calculation: \( 12 - 6 = 6 \)
Answer:
\[ 12 - 6 = 6 \]
---
####
Problem 4:
-
Objects: Apples
-
First Group: Count the apples in the first group.
- There are
15 apples.
-
Second Group: Count the apples in the second group.
- There are
9 apples.
-
Operation: Subtraction (−)
-
Calculation: \( 15 - 9 = 6 \)
Answer:
\[ 15 - 9 = 6 \]
---
Final Answers:
1. \( 7 + 8 = 15 \)
2. \( 4 + 10 = 14 \)
3. \( 12 - 6 = 6 \)
4. \( 15 - 9 = 6 \)
Boxed Final Answer:
\[
\boxed{15, 14, 6, 6}
\]
Parent Tip: Review the logic above to help your child master the concept of addition and subtraction worksheet for preschool.