Ways to Make
What is a way to make 25?
24+1, 0+25, 20+5, etc.
How many 10s are in the number 20?
37
37+1=38, 37-1=36, 37+10=47, 37-10=27
Finish the pattern:
100, 110, 120, 130, _
140
Maribel has 15 donuts. She gives 5 donuts to Karenina. How many donuts does Maribel have left?
15-5=10
Maribel has 10 donuts.
What is a way to make 30?
0+30, 20+10, 29+1, etc.
How many 1s are in the number 13?
53
53+1=54, 53-1=52, 53+10=63, 53-10=43
Finish the pattern:
135, 130, 125, 120, _
115
Vivian has 7 dresses. Abril gave her 6 more dresses. How many dresses does Vivian have in all?
7+6=13
Vivian has 13 dresses.
What is a way to make 35?
10+25, 0+35, 20+15, etc.
How many 10s are in the number 86?
81+1=82, 81-1=80, 81+10=91, 81-10=71
Finish the pattern:
102, 104, 106, 108, _
Amaya has 14 umbrellas. She gave some to Adan. Amaya now has 5 umbrellas. How many umbrellas did Amaya give to Adan?
14-5=9
Amaya gave 9 umbrellas to Adan.
What is a way to make 40?
0+40, 39+1, 20+20, etc.
How many 1s are in the number 70?
0
29
29+1=30, 29-1=28, 29+10=39, 29-10=19
Finish the pattern:
135, 138, 141, 144, _
Levi has 21 pieces of eight. He gave some pieces of eight to Nestucca. Levi now has 16 pieces of eight. How many pieces of eight did Levi give to Nestucca?
21-16=5
Levi gave 5 pieces of eight to Nestucca.
What is a way to make 45?
20+20+5, 0+45, 35+10, etc.
How many 10s are in the number 100?
0 or 10
70
70+1=71, 70-1=69, 70+10=80, 70-10=60
Finish the pattern:
200, 400, 600, 800, _
1000
Maddy has some markers. Sarahi gave her 9 more markers. Maddy now has 20 markers. How many markers did Maddy start with?
20-9=11
Maddy started with 11 markers.