Addition, Number Lines, Missing Addends: Snowball Addition

Grade Levels
K - 2nd, Homeschool
Formats Included
  • PDF
145 pages
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Snowball Addition!
This is a fun snowball themed set of centers, games, printables, and a lesson plan. These games focus on addition to 20, number lines, and missing addends. This product can be used in Kindergarten, 1st and 2nd grades, and special education instruction. Many of the games focus on active and concrete learning.
These games are appropriate for the school and homeschool setting.
Table of Contents
“Snowball Addition” in pictures (pg. 3-5)
“Roll, Add, and Cover”: 2 dice (pg. 6-19)
“Roll, Add, and Cover”: Doubles (pg. 20-35)
“Roll, Add and Cover”: 3 dice (pg. 36-52)
Anchor Charts (pg. 56-58)
“Snowy” Personal Number Lines (pg. 59-60)
“Snowball” Class Number Line (pg. 61-66)
“Snowy Kids” Wands (pg. 67-68)
Addition Cards (pg.69-79)
“Snowball Addition” Extension Activities (pg.80-85)
“Snowflakes Are Adding Up” Addition Mats: Sums to 10, Sums of 10, Doubles, and Sums to 20 (pg.86-113)
“How Many More Snowflakes Do You Need???” Missing Addends Mats: Sums to 10, Sums of 10, Doubles, and Sums to 20 (pg. 114-142)
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Total Pages
145 pages
Answer Key
Teaching Duration
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to see state-specific standards (only available in the US).
Apply properties of operations as strategies to add and subtract. 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.)
Relate counting to addition and subtraction (e.g., by counting on 2 to add 2).
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).
Determine the unknown whole number in an addition or subtraction equation relating three whole numbers. For example, determine the unknown number that makes the equation true in each of the equations 8 + ? = 11, 5 = ▯ - 3, 6 + 6 = ▯.


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