Make 100
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Make 100
Make 100 worksheet for Grade 2: find the number that makes 100 with numbers from 1 to 99, such as 37 + 63, by making the next ten first. With an answer key.
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Teach it first
Make 100A teaching handout to hand out before this sheet: the rule, worked examples and common mistakes.- Pages
- 1
- Last updated
- Time
- About 15 minutes
- Answer key
- Included
- Printing
- Black and white
- Related curriculum
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Split a number up to 10 into two parts in every way (7 is 5 and 2, 4 and 3), find the number that makes 10 with another, and make 10 with two or more numbers.
Reviewed by Ms. Olivia Parker, Teacher. How we check worksheets
How to use this sheet
- Read each bond as a sentence: "5 and 3 make 8." Saying it helps children see the whole and the two parts.
- For a missing part, have the child count up from the part they know to the whole, using fingers or dots.
- Keep a set of ten counters on the table so the child can split them into two groups and check an answer.
Common mistakes
- Putting the whole in a part circle, or adding all three numbers. Point to the circle for the whole: it holds the biggest number.
- Writing the same two parts every time, such as 5 and 5 for 10. Ask for a different way to make the number.
- Forgetting that 0 and the number itself is also a bond, such as 0 and 7 make 7.
