Let's solve each part of the worksheet step by step.
---
1. Write the numbers.
We are given groups of blocks (tens and ones). Each
tall tower represents
10, and each
shorter tower represents
1 or more units.
Let’s count each group:
-
First group:
One tall tower (10) + one short tower (5 blocks) →
10 + 5 = 15
-
Second group:
One tall tower (10) + one short tower (3 blocks) →
10 + 3 = 13
-
Third group:
Two tall towers (10 + 10 = 20) →
20
-
Fourth group:
One tall tower (10) + one short tower (7 blocks) →
10 + 7 = 17
-
Fifth group:
Two tall towers (10 + 10 = 20), but the second is shorter? Wait — let's check:
Actually, both look like full tens — so
10 + 10 = 20
Wait — looking carefully at the image:
Actually, in the
fifth group, the first tower is 10, and the second appears to be
9 blocks high (one less than a full tower). So:
→
10 + 9 = 19
So final answers for question 1:
- 15
- 13
- 20
- 17
- 19
✔ Answer: 15, 13, 20, 17, 19
---
2. Draw the missing number.
Each problem shows some objects and asks what number must be added to reach the total.
####
a) Balls:
There are
5 balls shown.
Equation:
5 + □ = 9
So: □ = 9 - 5 =
4
✔ Answer: 4
####
b) Flowers:
There are
3 flowers shown.
Equation:
3 + □ = 4
So: □ = 4 - 3 =
1
✔ Answer: 1
####
c) Bugs:
There are
4 bugs shown.
Equation:
4 + □ = 6
So: □ = 6 - 4 =
2
✔ Answer: 2
---
3. Complete the number line.
The number line goes from 20 to 12 with some blanks.
We see:
```
20 □ □ 17 16 □ 14 □ 12 □
```
Let’s fill it in step by step, counting down by 1s.
From 20:
- 20 → 19 → 18 → 17 → 16 → 15 → 14 → 13 → 12 → 11
So the positions are:
- After 20:
19
- Then:
18
- Then: 17 (given)
- Then: 16 (given)
- Then:
15
- Then: 14 (given)
- Then:
13
- Then: 12 (given)
- Then:
11
So the missing numbers are:
- First blank:
19
- Second blank:
18
- Third blank:
15
- Fourth blank:
13
- Fifth blank:
11
✔ Answer: 19, 18, 15, 13, 11
---
✔ Final Answers:
####
1. Write the numbers:
- 15, 13, 20, 17, 19
####
2. Draw the missing number:
- 4 (balls)
- 1 (flowers)
- 2 (bugs)
####
3. Complete the number line:
- 19, 18, 15, 13, 11
Let me know if you'd like this formatted as a printable answer sheet!
Parent Tip: Review the logic above to help your child master the concept of ukg maths worksheet.