Stage 4 Challenge

Stage 4 Challenge

Practise Basic Facts 4 (Teen Numbers/Halves and doubles to twenty)

10 + 10 =20 ✔ Half 10 =5✔ 10 + 1 =11✔ Double 2 =4✔ 8 + 10 =18✔ Half 20 =10✔ Half 12 =6✔ 6 + 6 =12✔ 5 + 5 =10✔ 10 + 6 =16✔ 7 + 7 =14✔ Double 8 =16✔ Half 6 =3✔

Double 7 =14✔ 4 + 10 =14✔ 4 + 4 =8✔ 2 + 2 =4✔ Double 6 =12✔ 1 + 10 =11✔ Half 16 =8✔ 2 + 10 =12✔ 7 + 10 =17✔ 9 + 9 =18✔ Double 4 =8✔ 3 + 10 =13✔ 8 + 8 =16✔

10 + 8 =18✔ Half 18 =9✔ Double 3 =6 ✔ 5 + 10 =15✔ 10 + 4 =14✔ 10 + 7 =17✔ Half 8 =4✔ Half 16 =8✔ 3 + 3 =6✔ 6 + 10 =16✔ Double 9 =18✔ 10 + 2 =12✔ Double 5 =10✔

Practise Basic Facts 5 (Number bonds to 100/tens in decades/halves and doubles to twenty)

tens in 70 =7✔ 100 – 90 =10✔ 100 – 50 =50✔ 80 + 20 =100✔ 100 – 10 =90✔ Half 16 =8✔ tens in 20 =2✔ 20 – 10 =10✔ 18 – 9 =9✔ tens in 30 =3✔ tens in 40 =4✔ tens in 90 = 9✔ 100 – 40 =60✔

tens in 100 =10 ✔ tens in 10 =1✔ 70 + 30 =100✔ 30 + 70 =100✔ 60 + 40 =100✔ 40 + 60 =100✔ 90 + 10 =100✔ 10 + 90 =100✔ 14 - 77 10 - 55 6 – 3 =3✔ 2  - 1 =1✔ tens in 50 =5✔

50 + 50 =100✔ 100 – 80 =20✔ Half 18 =9✔ 100 – 60 =40✔ 100 – 30 =70✔ 20 + 80 =100✔ Half 14 =7✔ 16 – 8 =8✔ 8 – 4 =4✔ 4 – 2 =2✔ 100 – 20 =80✔ tens in 80 =8✔ 100 – 70 =30✔

Practise Basic Facts 6 (Teen Numbers/Halves and doubles to twenty/Number bonds to 100/tens in decades)

10 + 6 =16✔ 7 + 7 =14✔ 3 + 3 =6✔ 6 + 10 =16✔ Double 9 =18✔ 100 – 60 =40✔ 100 – 30 =70✔ 20 + 80 =100✔ tens in 20 =2✔ Half 12 =6✔ 6 + 6 =12✔ 5 + 5 =10✔ 100 – 10 =90✔ 100 – 80 =20✔ Half 18 =9✔ Half 14 =7✔ 10 + 6 =16✔

50 + 50 =100✔ 100 – 50 =50✔ 70 + 30 =100✔ Double 3 =6 ✔ 5 + 10 =15✔ 10 + 4 =14✔ 8 + 8 =16✔ 10 + 7 =17✔ 3 + 3 =6✔ 6 + 10 =16✔ Double 9 =18✔ 3 + 10 =13✔ Double 8 =16✔ Half 6 =3✔ 16 – 8 =8✔ tens in 100 =10 ✔ tens in 10 =1✔

30 + 70 =100✔ 40 + 60 =100✔ tens in 80 =8✔ tens in 90 = 9✔ 100 – 40 =60✔ 10 + 90 =100✔ 80 + 20 =100✔ Half 12 =6✔ 6 + 6 =12✔ 5 + 5 =10✔ 4 – 2 =2✔ Double 6 =12✔ 1 + 10 =11✔ Half 16 =8✔ Double 8 =16✔ Half 6 =3✔ tens in 30 =3✔

Practise Basic Facts 7 (Skip Counting in 2’s, 5’s and tens)

70 + 10 =80✔ 25 – 5 =20✔ 6 + 2 =8✔ 60 + 10 =70✔ 8 + 2 =10✔ 15 + 5 =20✔ 50 – 10 =40✔ 10 + 2 =12✔ 90 + 10 =100✔ 20 + 10 =30✔ 30 + 5 =35✔ 16 + 2 =18✔ 25 + 5 =30✔

35 + 5 =40✔ 40 + 5 =45✔ 45 + 5 =50✔ 2 + 2 =4✔ 30 – 10 =20✔ 18 + 2 =20✔ 10 – 5 =5✔ 30 – 5 =25✔ 90 – 10 =80✔ 5 + 5 =10✔ 4 + 2 =6✔ 50 + 10 =60✔ 20 – 5 =15✔

80 – 10 =70✔ 40 – 10 =30✔ 20 – 10 =10✔ 15 – 5 =10✔ 12 + 2 =14✔ 60 – 10 =50✔ 80 + 10 =90✔ 10 + 5 =15✔ 20 + 5 =25✔ 30 + 10 =40✔ 14 + 2 =16✔ 40 + 10 =50✔ 70 – 10 =60✔

Practise Basic Facts 8 (Addition facts to twenty)

7 + 5 =12✔ 14 + 4 =18✔ 5 + 9 =14✔ 18 + 2 =20✔ 2 + 7 =9✔ 2 + 9 =11✔ 5 + 12 =17✔ 11 + 8 =19✔ 9 + 10 =19✔ 5 + 8 =13✔ 7 + 10 =17✔ 5 + 14 =19✔ 12 + 4 =16✔ 7 + 9 =16✔ 10 + 10 =20✔ 11 + 5 =16✔ 3 + 14 =17✔

5 + 14 =19✔ 9 + 6 =15✔ 3 + 8 =11✔ 1 + 16 =17✔ 14 + 5 =19✔ 12 + 3 =15✔ 2 + 16 =18✔ 12 + 2 =14✔ 9 + 7 =12✔ 15 + 4 =19✔ 4 + 9 =13✔ 19 + 1 =20✔ 15 + 3 =18✔ 17 + 2=19✔ 15 + 5 =20✔ 7 + 8 =15✔ 5 + 13 =18✔

16 + 4 =20✔ 13 + 7 =20✔ 6 + 9 =15✔ 12 + 8 =20✔ 12 + 6 =18✔ 8 + 9 =17✔ 14 + 3 =17✔ 6 + 3 =9✔ 8 + 9 =17✔ 16 + 3 =19✔ 11 + 7 =18✔ 6 + 7 =13✔ 13 + 6 =19✔ 8 + 3 =11✔ 3 + 16 =19✔ 3 + 13 =16✔ 8 + 7 =15✔

Practise Basic Facts 9 (Addition facts to twenty 2)

11 + 8 =19✔ 9 + 10 =19✔ 5 + 8 =13✔ 7 + 10 =17✔ 5 + 14 =19✔ 6 + 9 =15✔ 6 + 3 =9✔ 8 + 9 =17✔ 16 + 3 =19✔ 3 + 8 =11✔ 13 + 6 =19✔ 8 + 3 =11✔ 11 + 5 =16✔ 4 + 12 =16✔ 7 + 1 =8✔ 8 + 8 =16✔ 2 + 13 =15✔ 14 + 3 =17✔ 2 + 16 =18✔ 12 + 8 =20✔ 11  + 9 =20✔ 4 + 9 =13✔

12 + 2 =14✔ 9 + 7 =16✔ 15 + 4 =19✔ 7 + 5 =12✔ 7 + 9 =16✔ 10 + 10 =20✔ 14 + 4 =18✔ 5 + 9 =14✔ 7 + 8 =15✔ 18 + 2 =20✔ 8 + 2 =10✔ 13 + 4 =17✔ 2 + 7 =9✔ 5 + 14 =19✔ 9 + 6 =15✔ 11 + 7 =18✔ 6 + 7 =13✔ 2 + 16 =18✔ 2 + 9 =11✔ 16 + 4 =20✔ 13 + 7 =20✔ 3 + 16 =19✔

1 + 16 =17✔ 14 + 5 =19✔ 12 + 3 =15✔ 3 + 14 =17✔ 12 + 8 =20✔ 12 + 6 =18✔ 8 + 9 =17✔ 9 + 9 =18✔ 9 + 6 =15✔ 12 + 7 =19✔ 6 + 6 =12✔ 9 + 11 =20✔ 5 + 7 =12✔ 6 + 13 =19✔ 4 + 15 =19✔ 5 + 13 =18✔ 6 + 14 =20✔ 7 + 7 =14✔ 8 + 2 =10✔ 2 + 14 =16✔ 19 + 1 =20✔ 15 + 3 =19

Practise Basic Facts 10 (Mixed)

8 + 9 =17✔ 16 + 3 =19✔ 3 + 8 =11✔ Double 9 =18✔ 3 + 10 =13✔ 90 + 10 =100✔ 100 – 20 =80✔ 10 ‘s in 80 =8✔ tens in 90 = 9✔ 100 – 40 =60✔ 5 + 4 =9✔ 9 – 5 =4✔ 50 + 10 =60✔ 80 – 10 =90✔ 15 + 5 =20✔ 50 – 10 =40✔ 10 + 2 =12✔ 100 – 10 =90✔ 100 – 80 =20✔ Half 18 =9✔ Half 14 =7✔ 16 – 8 =8✔ 10 – 1 =9✔ 6 – 5 = 12 + 3 =15✔ 3 + 14 =17✔ 11 + 8 =19✔ 9 + 10 =19✔

6 + 7 =13✔ 25 – 5 =20✔ 6 + 2 =8✔ 60 + 10 =70✔ 8 + 2 =10✔ 16 + 2 =18✔ 3 – 0 =3✔ Half 8 =4✔ Half 6 =3✔ 14 + 4 =18✔ 5 + 9 =14✔ 6 + 9 =15✔ 6 + 3 =9✔ 9 – 5 =4✔ 90 + 10 =100✔ 1 + 7 =8✔ 5 + 3 =8✔ Double 3 =6✔ 3 + 7 =10✔ Half 16 =8✔ Double 8 =16✔ Half 6 =3✔ tens in 30 =3✔ 10 + 8 =18✔ tens in 40 =4✔ 1 + 16 =17✔ 14 + 5 =19✔ Half 6 =3✔

35 + 5 =40✔ 40 + 5 =35✔ 45 + 5 =50✔ 12 + 8 =20✔ 10 – 1 =9✔ 6 – 5 =1✔ 12 + 6 =18✔ 8 + 9 =17✔ 9 + 9 =18✔ 9 + 6 =15✔ 12 + 7 =19✔ 6 + 6 =12✔ 9 + 11 =20✔ 5 + 7 =12✔ tens in 80 =8✔ tens in 90 = 9✔ 100 – 40 =60✔ 10 + 90 =100✔ 80 + 20 =100✔ 6 + 13 =19✔ 4 + 15 =19✔ 20 – 20 =0✔ 2 + 16 =18✔ 7 + 7 =14✔ 6 + 10 =16✔ Double 9 =18✔ 3 + 10 =13✔ 5 + 14 =19✔