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Daniel Math Academy · Grade 3 Math

Find the Unknown: All Operations

Skill I.3 · Mixed operations & unknowns · ★★☆ Medium · Quarter 3

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Find the number that goes in each box.

1. 1
   $\boxed{}-18=$ $64$
2. 2
   $\boxed{}-34=$ $43$
3. 3
   $2\times \boxed{}=$ $2$
4. 4
   $\boxed{}÷6=$ $1$
5. 5
   $50÷\boxed{}=$ $5$
6. 6
   $\boxed{}-58=$ $30$
7. 7
   $\boxed{}-49=$ $12$
8. 8
   $72÷\boxed{}=$ $8$
9. 9
   $39-\boxed{}=$ $19$
10. 10
    $96-\boxed{}=$ $10$
11. 11
    $3\times \boxed{}=$ $12$
12. 12
    $7\times \boxed{}=$ $35$
13. 13
    $8÷\boxed{}=$ $8$
14. 14
    $\boxed{}+45=$ $78$
15. 15
    $49-\boxed{}=$ $7$
16. 16
    $\boxed{}+60=$ $72$

Daniel Math Academy · Grade 3 Math

Answer Key

I.3 Find the Unknown: All Operations · ★★☆ Medium

1. 182
2. 277
3. 31
4. 46
5. 510
6. 688
7. 761
8. 89
9. 920
10. 1086
11. 114
12. 125
13. 131
14. 1433
15. 1542
16. 1612