If 4+9=13 then 4+_____=130
90
If the rule is to SUBTRACT 10, what is the missing number?
32, 22, ______, 2
12
Kyle swam for a total of 54 minutes over the weekend. He swam for 30 minutes on Saturday. How many minutes did he swim on Sunday?
Write the NUMBER MODEL using a question mark.
56 - 20 =?
OR
20 + ?= 56
Colin had a basket of dog toys. He chewed up 7 dog toys and his owner had to throw them out. Now he only has 8 dog toys left. How many dog toys did Colin have to start?
7 + 8 = 15
How can you use subtraction to show that
35 + 32 = 67 makes sense?
67 - 32 = 35
If 16-7=9, then 160- ____=90
70
If the rule is to ADD 13, what is the missing number?
50, 63, ____, 89, 102
76
Connor saved $62 in his piggy bank. He spent $34 on a new video game. How much money does Connor have left?
Write a NUMBER MODEL using a question mark.
$62 - $34 = ?
OR
$34 + ? = $62
Mike has 28 pairs of sneakers. He bought a brand new shoe rack to display his sneakers. He can fit 5 pairs of sneakers on each shelf. How many shelves does he need?
28 / 5 = 5R3
6 SHELVES
How can you use addition to show that 54 - 13 = 41 makes sense?
41 + 13 = 54
If 13-8=5, then 63-8= ____ ?
55
What is the rule for the pattern below?
5, 10, 20, 40, 80
multiply by 2
Write NUMBER MODELS using question marks.
$15x3= $45, $45 + $22 = ?
28/7 =4
How can you use multiplication to show 25 / 5 = 5 makes sense?
5 x 5 = 25
If 200 + 450 = 650, then 20+45=?
65
What is the rule for the pattern below?
48, 24, 12, 6, 3
Divide by 2
Ms. Kostka bought 3 packs of 10 birthday pencils for her class this year. Ms. Kostka only has 25 students. How many pencils will she have left over at the end of the year?
Write NUMBER MODELS using question marks.
3x10=30, 30-25=?
Bryan has two boxes of crayons with 24 crayons in each box. He then gives 13 crayons to his friend Tommy. How many crayons does Bryan have?
2x24 = 48
48 - 13 = 35
How can you use division to show 3x5 =15 makes sense?
15 / 3 = 5
If 4x5=20, then 40x50=?
2000
____, 45, 60, ____, 90, 105
30 and 75
Write a NUMBER MODEL using a question mark.
30/5=?
Ms. Kostka spent her weekend going to spin classes. She went to two classes that were 45 minutes each. How many minutes did she spend at spin class?
45 x 2 = 90
OR
45 + 45 = 90
How can you use multiplication AND addition to show that 16 / 5 = 3 R 1 makes sense?
3 x 5 = 15 + 1 = 16