Make a 100 to Add Worksheet


Related Topics & Worksheets:
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Multiplication Worksheets
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Free Online Worksheet to add numbers using the Make a 100 strategy.
Online Worksheet: Make a 100 to add, 2nd Grade
This Sprint reviews adding numbers using make a 100 strategy.

Objective:

  • I can use mental strategies example, make a 100 to add numbers with ease.
  • I can recall from memory all sums of two one-digit numbers.

How to use make a 100 to add?
Example:
98 + 3 = 98 + 2 + 1 = 100 + 1 = 101

(For the following worksheet: think of these steps in your head and enter in the final answer)




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Fill in all the gaps, then press "Check" to check your answers. Use the "Hint" button to get a free letter if an answer is giving you trouble. You can also click on the "[?]" button to get a clue. Note that you will lose points if you ask for hints or clues!
98 + 3 =
98 + 4 =
98 + 5 =
98 + 8 =
98 + 6 =
98 + 9 =
98 + 7 =
99 + 2 =
99 + 3 =
99 + 4 =
99 + 9 =
99 + 6 =
99 + 8 =
99 + 5 =
99 + 7 =
98 + 13 =
98 + 24 =
98 + 35 =
98 + 46 =
98 + 57 =
98 + 68 =
98 + 79 =
99 + 12 =
99 + 23 =
99 + 34 =
99 + 45 =
99 + 56 =
99 + 67 =
99 + 78 =
35 + 99 =
45 + 98 =
46 + 99 =
56 + 98 =
46 + 99 =
56 + 98 =
67 + 99 =
77 + 98 =
68 + 99 =
78 + 98 =
99 + 95 =
94 + 99 =
98 + 96 =
94 + 98 =
98 + 88 =




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