Addition & Subtraction
4,276 + 3,845 = ?
8,121
6x2=?
12
Find the next 5 multiples for 7.
7: ____, _____, _____, _____, _____
7: 7, 14, 21, 28, 35
What place value is the digit 5 in?
75,687
The school library got 1,276 new books this year. Last year, they received 984 books.
How many books did the library get in the two years combined?
2,260 books
6,432 − 2,875 = ?
3,557
8x3=
24
Find all of the factors of 36.
1, 2, 3, 4, 6, 9, 12, 18, 36
What is the relationship between the two 4's in the number below?
8,445
A factory produced 4,732 toys this month. 1,589 toys were sold during the month.
How many toys are left in the factory?
3,143 toys
58,732 + 46,589 = ?
105,321
72
Find the next 5 multiples of 15, and all of the factors for 15.
Multiples:
15, 30, 45, 60, 75, 90
Factors:
1, 3, 5, 15
Round the number 64,215 to the given place value.
Thousands: _______________
Tens: ___________________
Hundreds: _______________
Thousands: 64,000
Tens: 64,220
Hundreds: 64,200
A class is making goodie bags. They put 3 pieces of candy in each bag. They make 5 bags. Then the teacher adds 4 extra pieces of candy to the total.
How many pieces of candy do they have altogether?
19 pieces of candy
7,924,351 + 3,486,478 = ?
11,410,829
10x11=
110
Which of the following numbers are multiples of 6?
A. 12, 18, 20, 30
B. 6, 11, 24, 36
C. 6, 12, 18, 24, 30, 36
D. 5, 10, 15, 20
C. 6, 12, 18, 24, 30, 36
Round 87,651 to the greatest place value.
90,000
Emma had 145 stickers in her collection. Her friend gave her 28 more stickers. Later, Emma gave 36 stickers to her brother.
How many stickers does Emma have now?
Emma has 137 stickers now.
500,984 − 297,638 =?
203,346
12x12=
144
Which of the following lists all the factors of 42?
A. 1, 2, 3, 6, 7, 14, 21, 42
B. 1, 2, 3, 7, 14, 42
C. 1, 2, 3, 4, 6, 7, 21, 42
D. 1, 2, 3, 6, 7, 12, 21, 42
A. 1, 2, 3, 6, 7, 14, 21, 42
Explain the steps you should use in order to round a number to a given place value.
1. Find the place you're rounding to and underline it.
2. Look at the neighbor to the right, circle it - if it is 5 or more, you add one more to the underlined digit. If the circled digit it 4 or less you leave the underlined digit alone.
3. Anything in front of the underlined digit stays the same. Anything after the underlined digit turns into zeros.
A store had 420 notebooks in stock. They sold 160 notebooks in the morning. The remaining notebooks were packed equally into 10 boxes.
How many notebooks went into each box?
Each box has 26 notebooks.