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Find the missing number: addition to 100

Grade 3 math · Fieldbook Learning

Name ______________________ Date __________

Every number is 100 or less.

10 + □ = 11 What number goes in the box?
19 + □ = 20 What number goes in the box?
7 + □ = 10 What number goes in the box?
□ + 19 = 20 What number goes in the box?
23 + □ = 35 What number goes in the box?
□ + 13 = 35 What number goes in the box?
□ + 21 = 31 What number goes in the box?
33 + □ = 40 What number goes in the box?
□ + 13 = 44 What number goes in the box?
□ + 15 = 25 What number goes in the box?
□ + 16 = 47 What number goes in the box?
6 + □ = 15 What number goes in the box?
17 + □ = 21 What number goes in the box?
18 + □ = 52 What number goes in the box?
□ + 61 = 67 What number goes in the box?
12 + □ = 26 What number goes in the box?
□ + 20 = 91 What number goes in the box?
□ + 79 = 100 What number goes in the box?
17 + □ = 76 What number goes in the box?
44 + □ = 54 What number goes in the box?

Play it as a quiz game

20 of these questions as multiple choice, with near-miss wrong answers, ready for Kahoot or Blooket.

Download the game's own question template: in Kahoot, Add question → Import spreadsheet; in Blooket, Create a set → Spreadsheet import.
Click the matching button below, then click the first empty question row of the template and paste.
Save the template (Kahoot needs .xlsx, Blooket .csv) and upload it.

Answer key: Find the missing number: addition to 100

1
1
3
1
12
22
10
7
31
10
31
9
4
34
6
14
71
21
59
10