Page 211 - NUMINO_WB_2A
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043-B7-1
1. Write number sentences by using to find the unknown number.
Example
17 is 11 more than an unknown number.
a. 25 is 17 more than an unknown number.
b. 37 is 19 more than an unknown number.
c. The sum of an unknown number and 8 is 17.
d. The sum of an unknown number and 29 is 46.
1. Write number sentences by using to find the unknown number.
Example
17 is 11 more than an unknown number.
a. 25 is 17 more than an unknown number.
b. 37 is 19 more than an unknown number.
c. The sum of an unknown number and 8 is 17.
d. The sum of an unknown number and 29 is 46.
