Addition and Subtraction Within 1000: Missing Numbers and Equation Balance
Find missing numbers inside expressions, then make both sides of equations equal. Use addition or subtraction to work backward from the result.
30 problems · A4 · 1 page
What’s in this worksheet?
These 30 problems use numbers within 1000. Find missing numbers inside expressions, then make both sides of equations equal. Use addition or subtraction to work backward from the result. Try 623 − 248 = □ − 247.
Addition and Subtraction Within 1000: Missing Numbers and Equation Balance
Name: ___________Date: ___________Time: ___________
691−=140
−107=463
499+=601
393+=763
41−=32
+174=956
−864=105
−296=250
309−=306
223+=828
+74=999
516−=294
483−=480
−64=6
+44=618
714+163=+540
+305=209+138
832−322=−303
−51=948−151
342+433=+149
+446=43+483
397+=40+432
189+288=+144
170+108=+241
+187=790+130
991−=999−14
26+290=188+
+113=340+44
92+164=54+
956−=961−75