Addition Technique 3: Make 100
Best when the first number is 91–99. Make 100 first, then add the remainder.
Not checked
Score 0
97 + 47
Tip: Split the second number into “to make 100” and “remainder”.
97 first number (91–99)
+
47 to 100
remainder
97 + 47 = 100 + =
97 + 47 =
STEP 1
Make 100.
97 + =
Add ___ to 97 to make 100 first.
STEP 2
Add 100 to the remainder.
100 + =
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