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10 questions
20
30
40
50
30
40
50
60
Choose the correct number sentence.
30-20=10
30-10=20
30-30=0
30+10=40
What is the difference?
20
30
40
50
Write the difference?
What is the number sentence?
70-50
70-40
70-30
70-20
What is the correct number sentence?
90-80
100-20
80-70
60-50
What is the sum?
50
60
70
80
What is the sum?
Choose the right answer.
70+30
50+60
30+40
40+50
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