4. Addition and Subtraction to 20


Words that tell us to add + add, plus, and, altogether, in total, more, sum of


1. There were 11 crabs on the beach. 7 were washed out to sea.


How many crabs were left? + or –


=


3. Kate saw 7 seagulls. Dad saw 6 seagulls.


How many seagulls did they see in total?


+ or – =


5. There are 17 red flags at the beach. There are 14 blue flags in the shop.


Take the number of blue flags from the number of red flags.


+ or – =


Strand: Number 22


Curriculum Objectives: Solve one-step problems involving addition or subtraction; use the symbols +, – , =.


Words that tell us to subtract – take away, minus, how many fewer, how many left, difference between


Circle the correct sign. Write the number sentence.


2. Terry jumped over 9 waves. Dan jumped over 2 fewer than Terry.


How many waves did Dan jump over?


+ or – =


4. 14 children ate vanilla ice cream and 4 children ate chocolate ice cream.


What is the difference between these numbers?


+ or – =


6. Dad saw 13 sun umbrellas at the beach. Mum saw 5 umbrellas in the shop.


What is 13 plus 5? + or – =


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