Add & Subtract
Comparing Numbers
Mental +
Mental -
Sneak a Peek
100

Sally had 120 berries.She gave her friend 15 berries, and used 28 to make pie.How many does she have?


She started with 120 berries.

  • Gave away 15 → 120−15=105120 - 15 = 105120−15=105

  • Used 28 for pie → 105−28=77105 - 28 = 77105−28=77

Sally has 77 berries left.



100

Leah starts at 300 on a number line. She hops forward 40.
Jake starts at 325 and hops forward 10.
Who is at the larger number?

Leah ends at 340; Jake ends at 335 → 340 > 335 (Leah)

100

20+8

28

100

24-5

19

100

Pure luck!Guess a holiday movie, and if the movie is on the list, you get the points!

Polar Express

Nightmare before Christmas

Grinch

Home Alone

Elf

200

Caleb had 38 stickers. He used 12 on a project, then his teacher gave him 5 new ones.
How many stickers does he have now?

31

200

Sam starts at 150 and hops forward 200.
Mia starts at 400 and hops back 30.
Which number is bigger?

Sam: 350; Mia: 370 → 370 > 350 (Mia)

200

15+23

38

200

15-10

5

200

Same thing, but food!

Candy cane

Gingerbread

Milk and cookies

Stuffing

300

Holly had 52 beads. She used 18 to make a bracelet and gave 7 to her sister.
How many beads does she still have?

27

300

A number line shows one frog landing on 480 after hopping 60 steps from 420.
Another frog lands on 455 after hopping 15 steps from 440.
Which frog is farther to the right?

480 > 455 → first frog

300

34+20

54

300

57-20

37

300

Same thing, but Santa names!

St.Nick, Father Christmas, Santa Clause,Mr. Clause, and Kriss Kringle

400

Liam had 70 toy cars. He lost 22 in the yard, then bought 10 new ones at the store.
How many cars does Liam have now?

52

400

Riley moves from 600 to 600 – 125.
Jordan moves from 500 to 500 + 90.
Which final number is greater?

Riley: 475; Jordan: 590 → 590 > 475 (Jordan)

400

56+82

138

400

80-50

30

400

Christmas decor, hint:no trees, to easy!

Ornaments

Reiths

Stocking

Tree SKIRT

Fake snow

Santa statue

500

There were 105 butterflies in a garden. 36 flew away, and 22 hid in the flowers.
How many butterflies can still be seen?

47

500

One robot starts at 725 and moves back 150.
Another robot starts at 620 and moves ahead 60.
Which number is larger on the number line?

First: 575; Second: 680 → 680 > 575 (second robot)

500

120+76

196

500

120-50

70

500

Tricky Christmas Riddle 🎄

I come once a year,
but I’m never seen.
I help deliver joy,
and travel where it’s green.
I am not Santa,
but I work with his team.

SANTA´S REINDEER!!!(if you want an extra 500 points, then name at least 1 of his reindeer.Not being Rudolph.Bro is getting so much attention, the others are feeling left out.