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Number patterns: fours up to 1 000

Term 4

Let us count in fours from 804 to 900.

What patterns do the circled and shaded numbers show us?

Circled in green: Counting in .
Write down the pattern:
Circled in purple: Counting in .
Write down the pattern:

a. 872 + 4 + 4 + 4 = b. 821 – 4 – 4 – 4 = c. 840 + 4 + 4 =
d. 836 – 4 – 4 – 4 – 4 = e. 885 + 4 = f. 845 – 4 – 4 =
g. 803 + 4 + 4 + 4 = h. 813 – 4 = i. 847 – 3 – 3 – 3 =

Number board 901 to 1 000

901 903 904 905 907 908 909
911 912 913 915 916 917 919 920
921 923 924 925 927 928 929
931 932 933 935 936 937 939 940
941 943 944 945 947 948 949
951 952 953 955 956 957 959 960
961 963 964 965 967 968 969
971 972 973 975 976 977 979 980
981 982 983 984 985 987 988 989
991 992 993 995 996 997 999 1000

Fill in the missing numbers.
Colour the missing number blocks green. Colour the white blocks with numbers in them red. What pattern do you see?

Complete the patterns.

b. Extend the following number sequences:

a. Add 4 fours to 980. 984, 988, 992, 996
b. Add 5 fours to 971.
c. Subtract 4 fours from 963.
d. Subtract 3 fours from 927.
e. Add 2 fours to 938.