Definitions and Other Things
Product
4 x 10
40
9 x 10 =
90
Johnny has 208 coins. Jordan has three times as many coins. How many coins does Jordan have?
624 coins
Virginia Academy has 1,238 students. If each student purchases 2 items from the spirit wear store, what is the total number of items that will be purchased?
2,476 items
This combines multiplication and division by multiplying each added by the number and adding the products.
22 x 7 =
154
8 x 36 =
288
Ruthie has 37 onesies in one dresser drawer. If she has the same amount on onesies in each drawer, how many does she have in 4 drawers?
148 onesies
Mrs. BJ rows 26 miles per week. If she rows for 7 straight weeks, how many total miles will she row?
182 miles
This is number is close to the exact number.
What is an estimate?
3 x 900=
2,700
1,254 x 5 =
6,270
Large pool equipment tents cost $1,042. Small pool equipment sets cost $907. About how much does it cost to buy 3 large equipment sets?
about $3,000
Mr. Mills bakes Christmas cookies. He uses 4 cups of flour per batch of cookies. He mays 46 batches of cookies. How many cups of flour will he need?
184 cups of flour
Mrs. Holmberg has 43 sweaters and Mrs. Mills has 3 times as many. About how many does Mrs. Mills have? Is this an estimate or exact answer?
Estimate
6 x 8,000 =
48,000
909 x 8 =
7,272
Virginia Academy is collecting money to donate to charity. $103 is collect each month. How much money is collected in 9 months?
$927
Mrs. Hardman's class collects 645 cans for the food drive in 1 week. If they collect the same number of cans for 2 weeks, how many total cans will they collect? Estimate or exact answer?
1,290 cans , exact answer
Mrs. Casey has 14 York Peppermint Patties and Mrs. BJ has 3 times as many. How many does Mrs. BJ have? Exact number or estimate?
Exact
231 x 4 =
924
2,306 x 2 =
4,612
Mr. Feathers lacrosse team scores 8 goals per quarter. If they continue to score, about how many goals will they score in 4 quarters?
about 40 goals.
Mrs. Rodelo's class collects 125 tabs and Ms. Harding's class collects 187. If they collect the same amount every month for 3 months, about how many tabs will they collect in all? Estimate or exact answer?
about 900 tabs, estimate