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Mental Sums Mathematics Grade One

Mental Sums Mathematics Grade One
Mental Sums Mathematics Grade One
Mental Sums Mathematics Grade One
Mental Sums Mathematics Grade One
Mental Sums Mathematics Grade One
Mental Sums Mathematics Grade One
Mental Sums Mathematics Grade One
Mental Sums Mathematics Grade One
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539 KB|11 pages
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Product Description
This set includes 100 mental questions for Grade One.
Each individual set consists of 10 mental sums questions, with progressive difficulty.
The questions are easily printable for students to work on individually or pasted in their notebooks/exercise books.


Skills covered:
Numbers To 10
• Counting To 10
• Comparing Numbers
• Making Number Patterns

Addition Within 10

Subtraction Within 10

Numbers To 20
• Counting to 20
• Comparing Numbers
• Making Number Patterns

Addition And Subtraction Within 20

Numbers To 40
• Counting to 40
• Comparing By Subtraction
• Comparing, Ordering And Number Patterns

Addition Within 40
• Addition Without Regrouping
• Addition With Regrouping

Subtraction Within 40
• Subtraction Without Regrouping
• Subtraction With Regrouping

CCSS Covered:

CCSS.MATH.CONTENT.1.OA.B.3
Apply properties of operations as strategies to add and subtract.2 Examples: If 8 + 3 = 11 is known, then 3 + 8 = 11 is also known. (Commutative property of addition.) To add 2 + 6 + 4, the second two numbers can be added to make a ten, so 2 + 6 + 4 = 2 + 10 = 12. (Associative property of addition.)

CCSS.MATH.CONTENT.1.OA.B.4
Understand subtraction as an unknown-addend problem. For example, subtract 10 - 8 by finding the number that makes 10 when added to 8.
Add and subtract within 20.

CCSS.MATH.CONTENT.1.OA.C.5
Relate counting to addition and subtraction (e.g., by counting on 2 to add 2).

CCSS.MATH.CONTENT.1.OA.C.6
Add and subtract within 20, demonstrating fluency for addition and subtraction within 10. Use strategies such as counting on; making ten (e.g., 8 + 6 = 8 + 2 + 4 = 10 + 4 = 14); decomposing a number leading to a ten (e.g., 13 - 4 = 13 - 3 - 1 = 10 - 1 = 9); using the relationship between addition and subtraction (e.g., knowing that 8 + 4 = 12, one knows 12 - 8 = 4); and creating equivalent but easier or known sums (e.g., adding 6 + 7 by creating the known equivalent 6 + 6 + 1 = 12 + 1 = 13).


Have fun mentally working the brains of your students! ^_^
Total Pages
11 pages
Answer Key
N/A
Teaching Duration
N/A
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