Addition & Subtraction
Add using the standard algorithm: 423 + 158.
581
9 x 4
36
Mrs. Enos' first class she ever taught had 28 kids. Her class this year has 22. How many more kids did she have her first year than this year?
6 kids
825 divided by 5
165
Subtract using the standard algorithm: 1,205 − 478.
727
10 x 12
120
Colby made $3,164 from his fundraiser and gave $1,982 to a children's hospital. How much did he have left?
$1,182
3,192 divided by 6
532
Add using the standard algorithm: 1,278 + 7,692
8,970
Multiply with an area model to find the product of 24 × 13.
312
Sierra earned $263 selling lemonade and $492 delivering newspapers. She then spent all that money to buy a an $800 new Virtual Reality set. How much does she have left?
$45
1,426 divided by 4
356 r. 2
1,324
Multiply with an area model to find the product of 278 x 9
2,502
Lin’s school bought 275 packages of pens. There are 6 pens in each package. How many pens did Lin’s school buy?
1,650 pens
2,104 divided by 5
420 r. 4
Subtract using the standard algorithm: 10,000 - 8,624
1,376
Multiply with an area model to find the product of 1,522 x 6
9,132
Mrs. Smith wants to bring all 450 kids from her school to a play. Each row only fits 8 kids. How many rows will she need for all kids to sit?
57: There would be 56 rows with 2 students left, so she will need to ask for 57 rows so those 2 students have a seat, too!
3,419 divided by 9
379 r. 8