Grade One Worksheet Bundle: Tens and Units, Addition, and Number Sequences.

Worksheet Analysis and Solution

The worksheet is designed for Grade 1 students to practice understanding place value (tens and units) and basic arithmetic operations. Let's solve each section step by step.

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#### Section 1: Write out the tens and units for these:

This section involves interpreting visual representations of numbers using grids and blocks.

1. First Grid:
- The grid shows 3 full rows (each row represents 10 units) and 4 additional units.
- TENS: 3
- UNITS: 4

2. Second Grid:
- The grid shows 5 full rows (each row represents 10 units) and 7 additional units.
- TENS: 5
- UNITS: 7

3. Third Grid:
- The grid shows 1 full row (each row represents 10 units) and 2 additional units.
- TENS: 1
- UNITS: 2

So, the answers are:
- First Grid: TENS = 3, UNITS = 4
- Second Grid: TENS = 5, UNITS = 7
- Third Grid: TENS = 1, UNITS = 2

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#### Section 2: Now try some of these:

This section asks students to break down given numbers into their tens and units components.

1. 58:
- TENS: 5 (because 50 is the tens part)
- UNITS: 8 (because 8 is the remaining units part)

2. 45:
- TENS: 4 (because 40 is the tens part)
- UNITS: 5 (because 5 is the remaining units part)

3. 26:
- TENS: 2 (because 20 is the tens part)
- UNITS: 6 (because 6 is the remaining units part)

4. 74:
- TENS: 7 (because 70 is the tens part)
- UNITS: 4 (because 4 is the remaining units part)

So, the answers are:
- 58: TENS = 5, UNITS = 8
- 45: TENS = 4, UNITS = 5
- 26: TENS = 2, UNITS = 6
- 74: TENS = 7, UNITS = 4

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#### Section 3: Follow the rule and solve these sums:

This section involves adding a fixed number (+5, +3, or +6) to a series of given numbers.

1. +5 Column:
- 2 + 5 = 7
- 4 + 5 = 9
- 1 + 5 = 6
- 3 + 5 = 8
- 5 + 5 = 10

2. +3 Column:
- 1 + 3 = 4
- 4 + 3 = 7
- 5 + 3 = 8
- 3 + 3 = 6
- 2 + 3 = 5

3. +6 Column:
- 2 + 6 = 8
- 4 + 6 = 10
- 3 + 6 = 9
- 1 + 6 = 7
- 5 + 6 = 11

So, the answers are:
- +5: 7, 9, 6, 8, 10
- +3: 4, 7, 8, 6, 5
- +6: 8, 10, 9, 7, 11

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#### Section 4: Fill in the missing numbers:

This section involves identifying a pattern in a sequence of numbers and filling in the blanks.

The sequence given is: 8, 10, __, 13, __, 16, __, 19.

- The pattern appears to be adding 2 to each number.
- 8 + 2 = 10
- 10 + 2 = 12
- 12 + 2 = 14
- 14 + 2 = 16
- 16 + 2 = 18
- 18 + 2 = 20

So, the missing numbers are: 12, 14, 18.

The completed sequence is: 8, 10, 12, 13, 14, 16, 18, 19.

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Final Answers:

1. Section 1:
- First Grid: TENS = 3, UNITS = 4
- Second Grid: TENS = 5, UNITS = 7
- Third Grid: TENS = 1, UNITS = 2

2. Section 2:
- 58: TENS = 5, UNITS = 8
- 45: TENS = 4, UNITS = 5
- 26: TENS = 2, UNITS = 6
- 74: TENS = 7, UNITS = 4

3. Section 3:
- +5: 7, 9, 6, 8, 10
- +3: 4, 7, 8, 6, 5
- +6: 8, 10, 9, 7, 11

4. Section 4:
- Missing numbers: 12, 14, 18

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Boxed Final Answer:

\[
\boxed{
\text{Section 1: TENS = 3, UNITS = 4; TENS = 5, UNITS = 7; TENS = 1, UNITS = 2}
}
\]
\[
\boxed{
\text{Section 2: TENS = 5, UNITS = 8; TENS = 4, UNITS = 5; TENS = 2, UNITS = 6; TENS = 7, UNITS = 4}
}
\]
\[
\boxed{
\text{Section 3: +5: 7, 9, 6, 8, 10; +3: 4, 7, 8, 6, 5; +6: 8, 10, 9, 7, 11}
}
\]
\[
\boxed{
\text{Section 4: 12, 14, 18}
}
\]