Rekenoefeningen - observatiejaar
20 + 20 = _______
1 / 20
Lesson duration is: 50 minItems in this lesson
20 + 20 = _______
Slide 1 - Open question
30 + 4 = ________________
Slide 2 - Open question
10 + 10 = _________
Slide 3 - Open question
50 + 8 = ____________
Slide 4 - Open question
30 + 20 = ______
Slide 5 - Open question
20 + 5 = ________
Slide 6 - Open question
40 + 50 = ______
Slide 7 - Open question
40 + 6 = ________
Slide 8 - Open question
70 + 2 = _______
Slide 9 - Open question
10 + 50 = ________
Slide 10 - Open question
90 + 4 = ______
Slide 11 - Open question
10 + 20 = ______
Slide 12 - Open question
10 + 7 = _________
Slide 13 - Open question
80 + 5 = _____
Slide 14 - Open question
40 + 30 = ____
Slide 15 - Open question
30 + 3 = ______
Slide 16 - Open question
50 + 4 = ________
Slide 17 - Open question
70 + 7 = ______
Slide 18 - Open question
40 + 40 = ____
Slide 19 - Open question
80 + 20 = _____
