WorksheetsOnline practice Number Theory, addition and subtraction
Total questions: 125
Worksheet time: 2hrs 5mins
What is
Four thousand, three hundred and fifty-five
in numbers?
4,355
4,553
14,305
14,355
What is 104,560 in words?
One hundred thousand, four hundred and fifty-six
One hundred and forty thousand, five hundred and sixty
One hundred and four thousand, five hundred and sixty
One hundred and four thousand, and fifty-six
Turn 7,432 into expanded form (partition form)
1000 + 1000 +1000 + 432
7,000 + 400 + 30 +2
7,000 + 300 + 40 + 2
7 + 4 + 3 + 2
Change this expanded form to standard form
40,000 + 3,000 + 100 + 20 +9
43,129
43,219
43,291
43,921
What is 450,823 in word form?
Three thousand, four hundred and fifty-eight hundred twenty-three
Four thousand, fifty-eight hundred twenty-three
Four hundred and fifty thousand, eight hundred and twenty-three
Four thousand, eight hundred twenty-three
Write in standard form:
Twenty-one thousand, seven hundred and ninety-one
21,079
2,179
2,791
21,791
What is
Six hundred and forty-three thousand, two hundred and eighty-four
in numbers?
643,248
643,284
643,428
643,842
Write in standard form:
One hundred thousand, five hundred and twelve
100,511
100,512
100,520
100,521
Change this expanded form to standard form
700,000 + 10,000 + 6,000 + 800 + 3
716,83
716,083
716,803
716,830
What is
Eight hundred and thirty-five thousand, two hundred and four
in numbers?
835,240
835,204
853,240
853,204
What is the name of the place of the underlined digit in the decimal 5.2 ?
ones
tenths
What is the name of the place of the underlined digit in the decimal 0.5 ?
ones
tenths
What is the name of the place of the underlined digit in the decimal 12.75 ?
ones
tenths
hundredths
Write the name of the place of the underlined digit in the decimal 6.3
(a)
Write the name of the place of the underlined digit in the decimal 15.09
(a)
Which of the following is 8.3 in words?
Eight and three tenths
Eighty-three
Which of the following is 24.07 in words?
Twenty-four hundred and seven
Twenty-four and seven hundredths
Write the number "Five point three" in decimals (in digits)
(a)
Write the number "Seventeen and thirty-one hundredths" in decimals (in digits)
(a)
Which one is bigger?
0.6
0.7
Which one is the smallest?
3.47
3.75
3.45
Write <, > or =
0.17 (a) 0.2
Write <, > or =
2.40 (a) 2.04
Write <, > or =
0.30 (a) 0.3
50
60
200
210
900
1,000
6,200
6,300
4,000
5,000
11,000
12,000
3
4
9
10
Which number do you get when you round the number 77 to the nearest 10?
(a)
Which number do you get when you round the number 264 to the nearest 10?
(a)
Which number do you get when you round the number 444 to the nearest 100?
(a)
Which number do you get when you round the number 1,918 to the nearest 100?
(a)
Which number do you get when you round the number 2,021 to the nearest 1000?
(a)
Which number do you get when you round the number 45,810 to the nearest 1000?
(a)
Which number do you get when you round the number 1.5 to the nearest whole?
(a)
Which number do you get when you round the number 24.3 to the nearest whole?
(a)
Which of the following number is even?
203
47
96
2021
Which of the following number is odd?
1998
33
68
78
(a)
(a)
(a)
Tick the numbers which are multiples of 2
45
32
749
2021
36,926
Tick the numbers which are multiples of 5
83,820
50,507
165
20
13
Tick the numbers which are multiples of 10
205
520
1,020
2,021
45,800
Tick the numbers which are multiples of 100
400
680
1,700
5,870
352,000
Tick the numbers which are multiples of 25
125
600
855
12,000
64,255
Tick the numbers which are multiples of 50
155
400
625
5,000
52,750
What kind of numbers are smaller than zero?
Which of these is a negative number?
2
-2
-7
The numbers greater than zero are called what?
Negative Numbers
Positive Numbers
Which of these is a positive number?
6
0
-9
What is the value of this thermometer ?
6 degrees
2 degrees
-2 degrees
Which number is SMALLER?
9 or -9
9
-9
Which number is SMALLER?
-3 or -6
-3
-6
Which number is BIGGER?
-20 or 0
-20
0
Which number is BIGGER?
8 or -4
-4
8
Which number is the biggest?
Start at 71 and create a pattern with the rule subtract 10.
What is the fourth number in the pattern?
(a)
Start at 5,600 and create a pattern with the rule add 100.
What is the third number in the pattern?
(a)
Find the rule the pattern is using
2 , 7 , 12 , 17 , 22 , 27
Add 5
Subtract 5
Add 20
Subtract 20
Find the rule the pattern is using
172 , 162 , 152 , 142
Add 5
Subtract 5
Add 10
Subtract 10
Find the next number in the pattern.
3 , 12 , 21 , 30 , 39 , ?
40
44
48
49
Find the next number in the pattern.
1 , 2 , 4 , 8 , ?
10
12
14
16
3,732 + 5,000 = ?
3,737
3,782
4,232
8,732
694 - 70 = ?
624
637
645
660
(a)
(a)
Count on in this number
67,218
67,298
67,328
67,338
Count on in this number
87,640
87,740
87,940
88,940
427 + 24 =?
441
450
451
452
83 - 45 =?
38
39
48
49
Which pairs make 10?
2 and 6
7 and 3
9 and 1
2 and 8
4 and 5
Which pairs make 100?
20 and 80
50 and 50
25 and 75
85 and 15
90 and 20
Which pairs make 1,000?
300 and 700
450 and 550
600 and 500
900 and 100
375 and 625
Which pairs make 1 whole?
0.6 and 0.4
0.7 and 0.8
0.2 and 0.4
0.1 and 0.9
0.5 and 0.5
What do you add to 3.7 to make 10?
6.3
6.7
7.3
7.7
What do you add to 5.1 to make 10?
4.1
4.9
5.1
5.9
(a)
18 + 2 + 30 + 20 + 10 + 10 = ?
70
80
90
100
15 + 35 + 20 + 30 + 10 + 12 = ?
92
102
112
122
Which one is the word form of 352,874?
Three hundred thousand, fifty-two, and eight hundred seventy-four
Three hundred and fifteen thousand, eight hundred and seventy-four
Eight hundred and seventy-four thousand, three hundred and fifty-two
Three hundred and fifty-two thousand, eight hundred and seventy-four
What is the digit form of “Four hundred and eight thousand, two hundred and thirteen”?
(a)
What is the result of 7500 – 1995 =?
(a)
Find the missing number.
(a)
Which decimal below is “forty-one and nine hundredths”?
(a)
What is the name of the place of the underlined digit in the decimal 85.231?
Ones
Tenths
Hundredths
Thousandths
Which one is true?
0.57 is ............... 0.7
Greater than
Bigger than
Smaller than
Equal to
Find the next number in this pattern:
500 , 100 , 20 , ?
(a)
1) What is 100 less than 86,019?
(a)
Which one is the word form of 112,804?
One hundred thousand, twelve, and eight hundred and four
One hundred and twelve thousand, eight hundred and four
Eight hundred and seventy-four thousand, one hundred and twelve
One hundred and twelve thousand, eight hundred and fourteen
What is the digit form of “Three hundred and fourteen thousand, two hundred and five”?
(a)
What is the result of 7500 + 1995 =?
(a)
Find the missing number.
(a)
What is the smallest number you can make by using these cards?
(a)
(a)
Which one is true?
1.07 is ............... 0.15
Greater than
Less than
Smaller than
Equal to
Find the next number in this pattern:
-15 , -7 , 1 , ?
(a)
Which one is NOT multiple of 25?
56,825
25,751
87,300
84,950
