Operations 1
11 X 12 =
132
9 X 7
63
7 x 7 =
49
8 X 6 =
84
3 X 6 =
18
Draw 20 counters divided into 4 equal groups.
.....
.....
.....
.....
Draw a figure showing 2/3 of the whole shaded?
3 boxes total with 2 boxes shaded
Draw a figure showing 3/4 of the whole shaded?
4 boxes total with 3 boxes shaded
You cut a piece of string into 6 equal pieces. You use 5 of the pieces. What portion of the string do you use?
5/6
Compare using <, >, or =.
2/3 _ 2/8
>
90 X 9 =
810
Which property is shown by 2 X 3 X 10 = 2 X 10 X 3?
Communitive Property
Associative Property
Zero Property
Communitive Property
You use 3/8 of a stick of butter. How many 1/8 portions do you use?
3
You slice a loaf of bread into equal pieces. One piece is 1/5 of the loaf. How many equal pieces did you cut the loaf into?
5 pieces
You pour 1 pint of apple juice equally into 4 glasses. You drink 2 glasses of the juice. What portion of the pint of juice did you drink?
1/2 pint
Which property is shown by (14 + 9) + 21 = 14 + (9 + 21)?
Communitive Property
Associative Property
Property of 1
Associative Property
Estimate the sum by rounding each addend to the nearest thousand.
1,462 + 8,752 =
1,000 + 9,000 = 10,000
A small farm sells 658 lbs. of fresh fruit and 46 lbs. of frozen fruit this season. How many lbs. of fruit does the farm sell this season?
704 lbs.
12 divided by 3 =
4
You arrange 30 pebbles into 5 equal rows. How many pebbles are in each row?
6 pebbles
_ - 4,284 = 3,119
7,403
90,607 - 25,873 =
64,734
Estimate the sum by rounding each addend to the nearest hundred.
1,462 + 8,752 =
1,500 + 8,800 = 10,300
A dealership had _ cars for sale. Then the dealership received a shipment of 125 more cars. Now the dealership has 1,438 cars for sale.
1,313
A pet store has 27 hamsters in 3 cages. There is an equal number of hamsters in each cage. How many hamsters are in each cage?
9 hamsters