review

addition

10

10 + 2 = 

12

20

20 + 10 = 

30

30

22 + 10 = 

32

40

31 + 20 = 

51

50

18 + 50 = 

68

subtraction

10

20 - 10

10

20

30 - 10 

20

30

24 - 10 = 

14

40

36 - 20

16

50

75 - 40

35

addition

10

40 + 20

60

20

46 + 3

49

30

35 + 10= 

45

40

67-10=

57

50

56 + 20

76

subtraction

10

60 - 30

30

20

20+5

25

30

42 -10

32

40

37 + 20

57

50

74 - 10 = 

64

Word problems

10

Lucas has 3 blue markers, 7 red markers and 5 orange markers. How many markers does he have in total?

15 markers

20

Sofi has 4 red balls, 8, yellow balls and 5 green balls. How many balls does she have in total?

17 balls

30

Camilo has 20 candies. Juanse brings him 5 more. How many candies does he have?

25 candies

40

Emma has 34 colors. She gives 10 to Sara. How many colors does Emma have left?

24

50

Amaya has 10 flowers. Julia has 20 flowers and Lucía has 30 flowers. How many flowers do they have all toghether?

60 flowers