Independent
Games & Activities:
 Practice counting to 120.
 Choose a number that is greater than 10 and less than 100. Represent that number using a base ten sketch.
 Fill out a blank 100s chart. Highlight patterns.
 On a sentence strip practice writing numbers beyond 100.
 Write your own missing parts story problem. (8 + __ = 13)
 Practice +/ multiples of 10 to a double digit number. (ex: 13+20, 4530, 31+10)

Doubles Cover Up
 Four in a Row with Near Doubles
 Two Digit Addition Split
 Make 100
Worksheets:
 Free Download 1120 Sheets
 120 Chart with blanks to fill in
 Cut up the 120 Chart into pieces then put the puzzle back together. Try it again to see if you can put it back together even faster!
 Common Core Worksheets
Videos:
PS11Showme Videos:
 Base Ten Sketch
 Open Number Line
 Keep One Break One
 Keep One Break One – Double Digit
 Keep One Break One Two & Three Digit Numbers
Online Games (Websites & Apps):
 ABCYA (Select ones and tens)
 Interactive Hundreds Chart
 Color all the numbers you say when you count by 5s
 Color all the numbers you say when you count by 10s
 ABCYA – Guess the Number – Select Medium (1100)
Apps:
 Sushi Monster free
 Math Duel free
 Electric Sums $
Family
Games & Activities:
 Teach a family member how to play ten plus any two digit number.
 Use the members of your family to create a story problem about a problem you had that day
 Play with a family member the card game “War.”
 Play “I Have, Who Has”
 Create a Tic Tac Toe board with a two digit addition or subtraction equation in each box. In order to put your “X” or “O” you must solve the problem and have your partner check your work.
 Teach a family member an addition or subtraction strategy (Expanded Form, Base 10 Sketch, Open Number Line, Keep One Break One). Then give them a list of problems to solve. Check their work!
Projects:
 A student subtracts a 2digit number from a 2digit number and says the difference is 20. Both the 2digit numbers end in zero. What might the two numbers be?
Extension
 Solve a two digit addition or subtraction problems using as many strategies as you can! Create a poster to share your strategies. Can you use all four?
 Expanded Form
 Base 10 Sketch
 Open Number Line
 Keep One Break One
Reflect: Which strategy was the most efficient strategy to use?
 While grocery shopping, keep track of the total amount your family is spending on food by adding the prices of each item to the nearest whole number.
 Grouping and Grazing
 Basically Base Ten: Discovering Place Value Meaning Using Base Ten Blocks
 Toy Shop Numbers