history of number
roman numeral
XX =
20
3 × 9 + 7=
34
finish the pattern
10,13,16,19,21
24
Write the 5-digit number
______ 40,000 + 2,000 + 400 + 60 + 8
42,468
-2 + 3 =
1
Roman numeral
MDC =
1600
(67 − 18) ÷ 7 × 3=
21
finish the number pattern
10,11,13,16,20
25
Write the 5-digit number
_________ 70,000 + 5,000 + 200 + 30 + 5
75,235
0 + -6 =
-6
roman numeral
LXV=
65
12 + 36 ÷ 4=
21
finish the number pattern
10,14,18,22
26
Write the 5-digit number
________40,000 + 5,000 + 500 + 80
45,580
6 + 4 =
-2
roman numeral
XVII=
17
9 ÷ 3 + 4 × 6=
27
finish the number pattern
5,11,18
26
Write the 5-digit number
90,000 + 1,000 + 400 + 60 + 3
91,463
-6 + 0 =
-6
roman numeral
MCXII=
1112
(7 × 8 − 4) ÷ (6 − 2)=
13
finish the number pattern
9,19,30,42
55
Write the 5-digit number
________10,000 + 2,000 + 800 + 30 + 7
12,837
-9 + -1
-10