Mental Calculation
At the town carnival, Billy rode the Ferris wheel 8 times and the rollercoaster 7 times. How many times did Billy go on a ride?
Billy went on the ride 15 times.
Miss Wilson had 25 bracelets and 14 rings. How many bracelets and rings did she have in total?
She has 39 rings and bracelets in total.
At the zoo, the zoo keeper fed 6 emus, 5 elephants and 3 snakes. How many legs could he see?
emus - 2 legs each (12 legs)
elephants - 4 legs each (20 legs)
snakes - 0 legs (0 legs)
He could see a total of 32 legs.
In the Easter Egg hunt, Beth found 40 yellow eggs, 8 blue eggs and 60 orange eggs. How many eggs did he find altogether?
He found 108 eggs.
Lacey gathered 58 apples from the orchard. She gave 44 to her neighbour and sold the rest at the market. How many did she have left to sell at the market?
She had 14 apples left to sell.
Miss Wilson had 36 chocolates. Mrs Drage ate some of them. Now she only has 15 left. How many did Mrs Drage eat?
Mrs Drage ate 21 chocolates.
Mrs Drage invited 100 people to her party but 25 people couldn't come. How many were able to come?
75 people went to the party.
Mr Smith wanted to find out how many slushies were sold at CPS. 15 were sold on Monday, 2 were sold on Tuesday, 120 were sold on Wednesday and 53 were sold on Friday. 4 juices were sold on Thursday. How many slushies were sold altogether?
190 slushies were sold altogether.
There are 18 lollies in a bag. Mary wants to share the lollies evenly amongst her 9 friends. How many lollies would each friend get?
Each friend would get 2 lollies each.
Amy had 12 red marbles. Tim had 7 blue marbles. What is the difference between the number of marbles Amy and Tim had?
There is a difference of 5 marbles.
There are 12 green marbles. There are some red marbles. Together there are 45 marbles. How many are red?
There are 33 red marbles.
There are blue, green and red marbles in a bag. There are 12 of each coloured marble. How many marbles in the bag?
12 x 3
OR
12 blue + 12, red + 12 green
There are 36 marbles in the bag.
Molly was bitten when she went out on Saturday night. She got 5 bites on each arm and 7 bites on each leg. She got the same amount on bites when she went out on Sunday night. How many bites did she get across both nights?
She got 48 bites.
There were 504 blue pens and 230 red pens at the shops. 28 blue pens were sold on the first day and 132 blue pens were sold on the second day. How many blue pens were left at the shops?
344 blue pens were left at the shop.
Mark is drawing shapes. He drew 4 triangles, 4 squares, 2 rectangles, 1 cube and 2 circles. If Mark starts counting the sides of the 2d shapes, how many sides will he count?
He counted 38 sides.