Grade 4/Addition
Addition: Add Whole Tens (4 Addends) (430)
Add four multiples of 10 together. Look for pairs that make 100 to add faster. Example: 40 + 30 + 60 + 20 = 150
6
Sheets
1912
Views
145
Downloads
Preview
Click to preview collection
Quick Tip
Look for pairs of tens that make 100 to add faster.
Teacher Resources
Teaching Notes
Emphasize place value and strategies like 'making 100' or grouping compatible numbers. Encourage mental math techniques before standard algorithms.
Vocabulary
Addend: A number that is added to another number.
Multiple of Ten: A number that can be divided by ten with no remainder.
Common Mistakes
- Ignoring place value (e.g., treating 40 as 4)
- Miscalculating sums of multiples of ten
- Not effectively grouping numbers to simplify addition
Differentiation
SupportUse base ten blocks or a number line for visual support.
ChallengeAdd more multiples of ten or incorporate three-digit multiples.
Discussion Questions
- What strategies can help you add these numbers quickly?
- How does understanding place value help with these problems?
- Can you find pairs of numbers that make 100?
- How is adding multiples of ten similar to adding single-digit numbers?
Extension Activities
- Add five or more whole tens.
- Use a number line for skip counting.
- Challenge with larger tens.
Parent Tip
Ask your child to add four amounts, each a multiple of ten.
Learning Path
Skill Cluster
Number Sense & Operations
Estimated Time
15 minutes
Skills Practiced
adding four numbersadding whole tensskip counting by tens
Prerequisites
- Counting by tens
- Adding two-digit multiples of ten
- Understanding place value to 100
Next Steps
- Adding three-digit multiples of ten
- Adding four two-digit numbers with ones
- Addition: Add Whole Tens (5 Addends)
- Addition: Add Two-Digit Numbers (4 Addends)